25287012 has 24 divisors (see below), whose sum is σ = 65559200. Its totient is φ = 8428968.

The previous prime is 25287011. The next prime is 25287023. The reversal of 25287012 is 21078252.

It is a hoax number, since the sum of its digits (27) 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 (27).

It is not an unprimeable number, because it can be changed into a prime (25287011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116962 + ... + 117177.

Almost surely, 2^25287012 is an apocalyptic number.

It is an amenable number.

25287012 is an abundant number, since it is smaller than the sum of its proper divisors (40272188).

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

25287012 is a wasteful number, since it uses less digits than its factorization.

25287012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234152 (or 234144 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 25287012 is about 5028.6192936034. The cubic root of 25287012 is about 293.5164897232.

The spelling of 25287012 in words is "twenty-five million, two hundred eighty-seven thousand, twelve".