25987960 has 32 divisors (see below), whose sum is σ = 59351760. Its totient is φ = 10238976.

The previous prime is 25987957. The next prime is 25987961. The reversal of 25987960 is 6978952.

It is a self number, because there is not a number n which added to its sum of digits gives 25987960.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25987961) 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, 2169 + ... + 7528.

Almost surely, 2^25987960 is an apocalyptic number.

25987960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25987960 is an abundant number, since it is smaller than the sum of its proper divisors (33363800).

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

25987960 is a wasteful number, since it uses less digits than its factorization.

25987960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9775 (or 9771 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 25987960 is about 5097.8387577482. The cubic root of 25987960 is about 296.2038709948.

The spelling of 25987960 in words is "twenty-five million, nine hundred eighty-seven thousand, nine hundred sixty".