85090313 has 12 divisors (see below), whose sum is σ = 107981712. Its totient is φ = 66303720.

The previous prime is 85090307. The next prime is 85090337. The reversal of 85090313 is 31309058.

It is not a de Polignac number, because 85090313 - 2¹⁸ = 84828169 is a prime.

It is a super-2 number, since 2×85090313² = 14480722732875938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85090393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78395 + ... + 79472.

It is an arithmetic number, because the mean of its divisors is an integer number (8998476).

Almost surely, 2^85090313 is an apocalyptic number.

It is an amenable number.

85090313 is a deficient number, since it is larger than the sum of its proper divisors (22891399).

85090313 is a wasteful number, since it uses less digits than its factorization.

85090313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157892 (or 157885 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 85090313 is about 9224.4410670783. The cubic root of 85090313 is about 439.8386340095.

The spelling of 85090313 in words is "eighty-five million, ninety thousand, three hundred thirteen".