82825331 has 2 divisors, whose sum is σ = 82825332. Its totient is φ = 82825330.

The previous prime is 82825297. The next prime is 82825349. The reversal of 82825331 is 13352828.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82825331 - 2²² = 78631027 is a prime.

It is a super-2 number, since 2×82825331² = 13720070910519122, which contains 22 as substring.

It is equal to p_4824716 and since 82825331 and 4824716 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (82825531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41412665 + 41412666.

It is an arithmetic number, because the mean of its divisors is an integer number (41412666).

Almost surely, 2^82825331 is an apocalyptic number.

82825331 is a deficient number, since it is larger than the sum of its proper divisors (1).

82825331 is an equidigital number, since it uses as much as digits as its factorization.

82825331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 32.

The square root of 82825331 is about 9100.8423236533. The cubic root of 82825331 is about 435.9008608724.

The spelling of 82825331 in words is "eighty-two million, eight hundred twenty-five thousand, three hundred thirty-one".