Search a number
-
+
1425132061 = 7319522357
BaseRepresentation
bin101010011110001…
…1100101000011101
310200022122012122221
41110330130220131
510404313211221
6353225305341
750213264653
oct12474345035
93608565587
101425132061
116714a48a1
12339335251
1319933ab12
14d73b4dd3
15851ab541
hex54f1ca1d

1425132061 has 4 divisors (see below), whose sum is σ = 1444654492. Its totient is φ = 1405609632.

The previous prime is 1425132053. The next prime is 1425132089. The reversal of 1425132061 is 1602315241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1602315241 = 8291932829.

It can be written as a sum of positive squares in 2 ways, for example, as 466300836 + 958831225 = 21594^2 + 30965^2 .

It is a cyclic number.

It is not a de Polignac number, because 1425132061 - 23 = 1425132053 is a prime.

It is a super-3 number, since 3×14251320613 (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425132001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9761106 + ... + 9761251.

It is an arithmetic number, because the mean of its divisors is an integer number (361163623).

Almost surely, 21425132061 is an apocalyptic number.

It is an amenable number.

1425132061 is a deficient number, since it is larger than the sum of its proper divisors (19522431).

1425132061 is an equidigital number, since it uses as much as digits as its factorization.

1425132061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19522430.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1425132061 is about 37750.9213265054. The cubic root of 1425132061 is about 1125.3433186913.

The spelling of 1425132061 in words is "one billion, four hundred twenty-five million, one hundred thirty-two thousand, sixty-one".

Divisors: 1 73 19522357 1425132061