85258653 has 4 divisors (see below), whose sum is σ = 113678208. Its totient is φ = 56839100.

The previous prime is 85258633. The next prime is 85258669. The reversal of 85258653 is 35685258.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85258653 is a prime.

It is a super-2 number, since 2×85258653² = 14538075822748818, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85258633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14209773 + ... + 14209778.

It is an arithmetic number, because the mean of its divisors is an integer number (28419552).

Almost surely, 2^85258653 is an apocalyptic number.

It is an amenable number.

85258653 is a deficient number, since it is larger than the sum of its proper divisors (28419555).

85258653 is a wasteful number, since it uses less digits than its factorization.

85258653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28419554.

The product of its digits is 288000, while the sum is 42.

The square root of 85258653 is about 9233.5612306412. The cubic root of 85258653 is about 440.1284972497.

The spelling of 85258653 in words is "eighty-five million, two hundred fifty-eight thousand, six hundred fifty-three".