992995531 has 4 divisors (see below), whose sum is σ = 1083267864. Its totient is φ = 902723200.

The previous prime is 992995513. The next prime is 992995561. The reversal of 992995531 is 135599299.

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 992995531 - 2⁷ = 992995403 is a prime.

It is a super-2 number, since 2×992995531² = 1972080249171943922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (992995501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45136150 + ... + 45136171.

It is an arithmetic number, because the mean of its divisors is an integer number (270816966).

Almost surely, 2^992995531 is an apocalyptic number.

992995531 is a deficient number, since it is larger than the sum of its proper divisors (90272333).

992995531 is a wasteful number, since it uses less digits than its factorization.

992995531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90272332.

The product of its digits is 984150, while the sum is 52.

The square root of 992995531 is about 31511.8316033835. The cubic root of 992995531 is about 997.6597042886.

The spelling of 992995531 in words is "nine hundred ninety-two million, nine hundred ninety-five thousand, five hundred thirty-one".