25708260 has 24 divisors (see below), whose sum is σ = 71983296. Its totient is φ = 6855520.

The previous prime is 25708253. The next prime is 25708261. The reversal of 25708260 is 6280752.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (25708261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214176 + ... + 214295.

It is an arithmetic number, because the mean of its divisors is an integer number (2999304).

Almost surely, 2^25708260 is an apocalyptic number.

25708260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25708260 is an abundant number, since it is smaller than the sum of its proper divisors (46275036).

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

25708260 is a wasteful number, since it uses less digits than its factorization.

25708260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428483 (or 428481 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 25708260 is about 5070.3313501190. The cubic root of 25708260 is about 295.1373869305.

The spelling of 25708260 in words is "twenty-five million, seven hundred eight thousand, two hundred sixty".