25461315 has 24 divisors (see below), whose sum is σ = 48145968. Its totient is φ = 12344640.

The previous prime is 25461281. The next prime is 25461347. The reversal of 25461315 is 51316452.

25461315 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 25461315 - 2⁶ = 25461251 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25224 + ... + 26213.

It is an arithmetic number, because the mean of its divisors is an integer number (2006082).

Almost surely, 2^25461315 is an apocalyptic number.

25461315 is a deficient number, since it is larger than the sum of its proper divisors (22684653).

25461315 is a wasteful number, since it uses less digits than its factorization.

25461315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51459 (or 51456 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 25461315 is about 5045.9206295779. The cubic root of 25461315 is about 294.1893476918.

Adding to 25461315 its reverse (51316452), we get a palindrome (76777767).

The spelling of 25461315 in words is "twenty-five million, four hundred sixty-one thousand, three hundred fifteen".