87512452 has 12 divisors (see below), whose sum is σ = 155433040. Its totient is φ = 43103016.

The previous prime is 87512441. The next prime is 87512483. The reversal of 87512452 is 25421578.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163002 + ... + 163537.

Almost surely, 2^87512452 is an apocalyptic number.

It is an amenable number.

87512452 is a deficient number, since it is larger than the sum of its proper divisors (67920588).

87512452 is a wasteful number, since it uses less digits than its factorization.

87512452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326610 (or 326608 counting only the distinct ones).

The product of its digits is 22400, while the sum is 34.

The square root of 87512452 is about 9354.8090306537. The cubic root of 87512452 is about 443.9730592641.

The spelling of 87512452 in words is "eighty-seven million, five hundred twelve thousand, four hundred fifty-two".