85974253 has 32 divisors (see below), whose sum is σ = 101025792. Its totient is φ = 72652800.

The previous prime is 85974247. The next prime is 85974281. The reversal of 85974253 is 35247958.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85974253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85974223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 496875 + ... + 497047.

It is an arithmetic number, because the mean of its divisors is an integer number (3157056).

Almost surely, 2^85974253 is an apocalyptic number.

It is an amenable number.

85974253 is a deficient number, since it is larger than the sum of its proper divisors (15051539).

85974253 is a wasteful number, since it uses less digits than its factorization.

85974253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285.

The product of its digits is 302400, while the sum is 43.

The square root of 85974253 is about 9272.2302063743. The cubic root of 85974253 is about 441.3564424733.

The spelling of 85974253 in words is "eighty-five million, nine hundred seventy-four thousand, two hundred fifty-three".