25587492 has 48 divisors (see below), whose sum is σ = 68490240. Its totient is φ = 7283232.

The previous prime is 25587491. The next prime is 25587503. The reversal of 25587492 is 29478552.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25587491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34833 + ... + 35559.

It is an arithmetic number, because the mean of its divisors is an integer number (1426880).

Almost surely, 2^25587492 is an apocalyptic number.

It is an amenable number.

25587492 is an abundant number, since it is smaller than the sum of its proper divisors (42902748).

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

25587492 is a wasteful number, since it uses less digits than its factorization.

25587492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160 (or 1158 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 25587492 is about 5058.4080499699. The cubic root of 25587492 is about 294.6745122112.

The spelling of 25587492 in words is "twenty-five million, five hundred eighty-seven thousand, four hundred ninety-two".