25116315 has 32 divisors (see below), whose sum is σ = 46158336. Its totient is φ = 11424000.

The previous prime is 25116277. The next prime is 25116319. The reversal of 25116315 is 51361152.

It is not a de Polignac number, because 25116315 - 2⁶ = 25116251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25116319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25879 + ... + 26831.

It is an arithmetic number, because the mean of its divisors is an integer number (1442448).

Almost surely, 2^25116315 is an apocalyptic number.

25116315 is a deficient number, since it is larger than the sum of its proper divisors (21042021).

25116315 is a wasteful number, since it uses less digits than its factorization.

25116315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219.

The product of its digits is 900, while the sum is 24.

The square root of 25116315 is about 5011.6180022025. The cubic root of 25116315 is about 292.8545485167.

Adding to 25116315 its reverse (51361152), we get a palindrome (76477467).

The spelling of 25116315 in words is "twenty-five million, one hundred sixteen thousand, three hundred fifteen".