Search a number
-
+
2051425 = 52312647
BaseRepresentation
bin111110100110101100001
310212020000201
413310311201
51011121200
6111545201
723302555
oct7646541
93766021
102051425
1111812a2
1282b201
1356a97c
143b5865
152a7c6a
hex1f4d61

2051425 has 12 divisors (see below), whose sum is σ = 2626816. Its totient is φ = 1587600.

The previous prime is 2051419. The next prime is 2051429. The reversal of 2051425 is 5241502.

It is not a de Polignac number, because 2051425 - 23 = 2051417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2051429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 549 + ... + 2098.

22051425 is an apocalyptic number.

2051425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2051425 is a deficient number, since it is larger than the sum of its proper divisors (575391).

2051425 is a wasteful number, since it uses less digits than its factorization.

2051425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2688 (or 2683 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 2051425 is about 1432.2796514648. The cubic root of 2051425 is about 127.0628370301.

Adding to 2051425 its reverse (5241502), we get a palindrome (7292927).

The spelling of 2051425 in words is "two million, fifty-one thousand, four hundred twenty-five".

Divisors: 1 5 25 31 155 775 2647 13235 66175 82057 410285 2051425