996475531 has 2 divisors, whose sum is σ = 996475532. Its totient is φ = 996475530.

The previous prime is 996475423. The next prime is 996475547. The reversal of 996475531 is 135574699.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 996475531 - 2¹¹ = 996473483 is a prime.

It is a super-2 number, since 2×996475531² = 1985926967763463922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (996475591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498237765 + 498237766.

It is an arithmetic number, because the mean of its divisors is an integer number (498237766).

Almost surely, 2^996475531 is an apocalyptic number.

996475531 is a deficient number, since it is larger than the sum of its proper divisors (1).

996475531 is an equidigital number, since it uses as much as digits as its factorization.

996475531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1020600, while the sum is 49.

The square root of 996475531 is about 31567.0006652517. Note that the first 3 decimals coincide. The cubic root of 996475531 is about 998.8237940821.

The spelling of 996475531 in words is "nine hundred ninety-six million, four hundred seventy-five thousand, five hundred thirty-one".