25011960 has 32 divisors (see below), whose sum is σ = 75036240. Its totient is φ = 6669824.

The previous prime is 25011911. The next prime is 25011991. The reversal of 25011960 is 6911052.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 25011960.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104097 + ... + 104336.

Almost surely, 2^25011960 is an apocalyptic number.

25011960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25011960 is an abundant number, since it is smaller than the sum of its proper divisors (50024280).

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

25011960 is a wasteful number, since it uses less digits than its factorization.

25011960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208447 (or 208443 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 25011960 is about 5001.1958569926. The cubic root of 25011960 is about 292.4483947238.

The spelling of 25011960 in words is "twenty-five million, eleven thousand, nine hundred sixty".