995913931 has 2 divisors, whose sum is σ = 995913932. Its totient is φ = 995913930.

The previous prime is 995913913. The next prime is 995913953. The reversal of 995913931 is 139319599.

Together with previous prime (995913913) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 995913931 - 2¹¹ = 995911883 is a prime.

It is a super-2 number, since 2×995913931² = 1983689115919745522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (995916931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497956965 + 497956966.

It is an arithmetic number, because the mean of its divisors is an integer number (497956966).

Almost surely, 2^995913931 is an apocalyptic number.

995913931 is a deficient number, since it is larger than the sum of its proper divisors (1).

995913931 is an equidigital number, since it uses as much as digits as its factorization.

995913931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 295245, while the sum is 49.

The square root of 995913931 is about 31558.1040463460. The cubic root of 995913931 is about 998.6361176707.

The spelling of 995913931 in words is "nine hundred ninety-five million, nine hundred thirteen thousand, nine hundred thirty-one".