Search a number
-
+
61483517 is a prime number
BaseRepresentation
bin1110101010001…
…0100111111101
311021200200112022
43222202213331
5111214433032
610033445525
71344413144
oct352424775
9137620468
1061483517
1131784527
12187108a5
13c9792a4
14824675b
1555e7512
hex3aa29fd

61483517 has 2 divisors, whose sum is σ = 61483518. Its totient is φ = 61483516.

The previous prime is 61483493. The next prime is 61483519. The reversal of 61483517 is 71538416.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58813561 + 2669956 = 7669^2 + 1634^2 .

It is a cyclic number.

It is not a de Polignac number, because 61483517 - 222 = 57289213 is a prime.

Together with 61483519, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61483519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30741758 + 30741759.

It is an arithmetic number, because the mean of its divisors is an integer number (30741759).

Almost surely, 261483517 is an apocalyptic number.

It is an amenable number.

61483517 is a deficient number, since it is larger than the sum of its proper divisors (1).

61483517 is an equidigital number, since it uses as much as digits as its factorization.

61483517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 35.

The square root of 61483517 is about 7841.1425825577. The cubic root of 61483517 is about 394.6870714958.

The spelling of 61483517 in words is "sixty-one million, four hundred eighty-three thousand, five hundred seventeen".