25591960 has 32 divisors (see below), whose sum is σ = 57834000. Its totient is φ = 10192000.

The previous prime is 25591931. The next prime is 25591963. The reversal of 25591960 is 6919552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25591963) 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, 8766 + ... + 11314.

Almost surely, 2^25591960 is an apocalyptic number.

25591960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25591960 is an abundant number, since it is smaller than the sum of its proper divisors (32242040).

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

25591960 is a wasteful number, since it uses less digits than its factorization.

25591960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811 (or 2807 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 37.

The square root of 25591960 is about 5058.8496716151. The cubic root of 25591960 is about 294.6916628969.

The spelling of 25591960 in words is "twenty-five million, five hundred ninety-one thousand, nine hundred sixty".