85113583 has 2 divisors, whose sum is σ = 85113584. Its totient is φ = 85113582.

The previous prime is 85113571. The next prime is 85113599. The reversal of 85113583 is 38531158.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85113583 - 2⁵ = 85113551 is a prime.

It is a super-2 number, since 2×85113583² = 14488644022195778, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85113533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42556791 + 42556792.

It is an arithmetic number, because the mean of its divisors is an integer number (42556792).

Almost surely, 2^85113583 is an apocalyptic number.

85113583 is a deficient number, since it is larger than the sum of its proper divisors (1).

85113583 is an equidigital number, since it uses as much as digits as its factorization.

85113583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 34.

The square root of 85113583 is about 9225.7023038899. The cubic root of 85113583 is about 439.8787251856.

The spelling of 85113583 in words is "eighty-five million, one hundred thirteen thousand, five hundred eighty-three".