825182831 has 24 divisors (see below), whose sum is σ = 936883584. Its totient is φ = 720750000.

The previous prime is 825182821. The next prime is 825182833. The reversal of 825182831 is 138281528.

It is a happy number.

It is not a de Polignac number, because 825182831 - 2¹⁸ = 824920687 is a prime.

It is a super-2 number, since 2×825182831² = 1361853409154349122, 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 (825182833) 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 in 23 ways as a sum of consecutive naturals, for example, 2653166 + ... + 2653476.

It is an arithmetic number, because the mean of its divisors is an integer number (39036816).

Almost surely, 2^825182831 is an apocalyptic number.

825182831 is a deficient number, since it is larger than the sum of its proper divisors (111700753).

825182831 is a wasteful number, since it uses less digits than its factorization.

825182831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 604 counting only the distinct ones).

The product of its digits is 30720, while the sum is 38.

The square root of 825182831 is about 28725.9957355702. The cubic root of 825182831 is about 937.9580054485.

The spelling of 825182831 in words is "eight hundred twenty-five million, one hundred eighty-two thousand, eight hundred thirty-one".