85953031 has 4 divisors (see below), whose sum is σ = 86180200. Its totient is φ = 85725864.

The previous prime is 85953019. The next prime is 85953041. The reversal of 85953031 is 13035958.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85953031 - 2¹⁷ = 85821959 is a prime.

It is a super-2 number, since 2×85953031² = 14775847076173922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85953011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113016 + ... + 113773.

It is an arithmetic number, because the mean of its divisors is an integer number (21545050).

Almost surely, 2^85953031 is an apocalyptic number.

85953031 is a deficient number, since it is larger than the sum of its proper divisors (227169).

85953031 is a wasteful number, since it uses less digits than its factorization.

85953031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227168.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 85953031 is about 9271.0857508708. The cubic root of 85953031 is about 441.3201244793.

Adding to 85953031 its reverse (13035958), we get a palindrome (98988989).

The spelling of 85953031 in words is "eighty-five million, nine hundred fifty-three thousand, thirty-one".