82631433 has 32 divisors (see below), whose sum is σ = 118444032. Its totient is φ = 51128000.

The previous prime is 82631431. The next prime is 82631443. The reversal of 82631433 is 33413628.

It is a cyclic number.

It is not a de Polignac number, because 82631433 - 2¹ = 82631431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82631433.

It is not an unprimeable number, because it can be changed into a prime (82631431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 494716 + ... + 494882.

It is an arithmetic number, because the mean of its divisors is an integer number (3701376).

Almost surely, 2^82631433 is an apocalyptic number.

It is an amenable number.

82631433 is a deficient number, since it is larger than the sum of its proper divisors (35812599).

82631433 is a wasteful number, since it uses less digits than its factorization.

82631433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365.

The product of its digits is 10368, while the sum is 30.

The square root of 82631433 is about 9090.1833314846. The cubic root of 82631433 is about 435.5604402734.

The spelling of 82631433 in words is "eighty-two million, six hundred thirty-one thousand, four hundred thirty-three".