25251315 has 16 divisors (see below), whose sum is σ = 41796000. Its totient is φ = 13002752.

The previous prime is 25251301. The next prime is 25251337. The reversal of 25251315 is 51315252.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 25251315 - 2⁸ = 25251059 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28590 + ... + 29459.

It is an arithmetic number, because the mean of its divisors is an integer number (2612250).

Almost surely, 2^25251315 is an apocalyptic number.

25251315 is a deficient number, since it is larger than the sum of its proper divisors (16544685).

25251315 is a wasteful number, since it uses less digits than its factorization.

25251315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58086.

The product of its digits is 1500, while the sum is 24.

The square root of 25251315 is about 5025.0686562474. The cubic root of 25251315 is about 293.3783082153.

Adding to 25251315 its reverse (51315252), we get a palindrome (76566567).

The spelling of 25251315 in words is "twenty-five million, two hundred fifty-one thousand, three hundred fifteen".