85513252 has 48 divisors (see below), whose sum is σ = 171085824. Its totient is φ = 37044000.

The previous prime is 85513231. The next prime is 85513271. The reversal of 85513252 is 25231558.

It is a Harshad number since it is a multiple of its sum of digits (31).

Its product of digits (12000) is a multiple of the sum of its prime factors (1000).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96403 + ... + 97285.

It is an arithmetic number, because the mean of its divisors is an integer number (3564288).

Almost surely, 2^85513252 is an apocalyptic number.

It is an amenable number.

85513252 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

85513252 is a wasteful number, since it uses less digits than its factorization.

85513252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000 (or 998 counting only the distinct ones).

The product of its digits is 12000, while the sum is 31.

The square root of 85513252 is about 9247.3375627799. The cubic root of 85513252 is about 440.5661651202.

The spelling of 85513252 in words is "eighty-five million, five hundred thirteen thousand, two hundred fifty-two".