25316460 has 144 divisors (see below), whose sum is σ = 85612800. Its totient is φ = 6013440.

The previous prime is 25316453. The next prime is 25316461. The reversal of 25316460 is 6461352.

It is not an unprimeable number, because it can be changed into a prime (25316461) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72366 + ... + 72714.

Almost surely, 2^25316460 is an apocalyptic number.

25316460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25316460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42806400).

25316460 is an abundant number, since it is smaller than the sum of its proper divisors (60296340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25316460 is a wasteful number, since it uses less digits than its factorization.

25316460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 403 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 25316460 is about 5031.5464819477. The cubic root of 25316460 is about 293.6303837716.

The spelling of 25316460 in words is "twenty-five million, three hundred sixteen thousand, four hundred sixty".