85900252 has 12 divisors (see below), whose sum is σ = 159168240. Its totient is φ = 40423616.

The previous prime is 85900229. The next prime is 85900253. The reversal of 85900252 is 25200958.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85900253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631552 + ... + 631687.

It is an arithmetic number, because the mean of its divisors is an integer number (13264020).

Almost surely, 2^85900252 is an apocalyptic number.

It is an amenable number.

85900252 is a deficient number, since it is larger than the sum of its proper divisors (73267988).

85900252 is a wasteful number, since it uses less digits than its factorization.

85900252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263260 (or 1263258 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 85900252 is about 9268.2388834125. The cubic root of 85900252 is about 441.2297758950.

The spelling of 85900252 in words is "eighty-five million, nine hundred thousand, two hundred fifty-two".