82956431 has 2 divisors, whose sum is σ = 82956432. Its totient is φ = 82956430.

The previous prime is 82956389. The next prime is 82956439. The reversal of 82956431 is 13465928.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82956431 - 2¹⁰ = 82955407 is a prime.

It is a super-2 number, since 2×82956431² = 13763538888515522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82956439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41478215 + 41478216.

It is an arithmetic number, because the mean of its divisors is an integer number (41478216).

Almost surely, 2^82956431 is an apocalyptic number.

82956431 is a deficient number, since it is larger than the sum of its proper divisors (1).

82956431 is an equidigital number, since it uses as much as digits as its factorization.

82956431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 38.

The square root of 82956431 is about 9108.0421057437. The cubic root of 82956431 is about 436.1307280607.

The spelling of 82956431 in words is "eighty-two million, nine hundred fifty-six thousand, four hundred thirty-one".