82998431 has 2 divisors, whose sum is σ = 82998432. Its totient is φ = 82998430.

The previous prime is 82998413. The next prime is 82998449. The reversal of 82998431 is 13489928.

It is a happy number.

Together with previous prime (82998413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (82998413) and next prime (82998449).

It is a cyclic number.

It is not a de Polignac number, because 82998431 - 2⁶ = 82998367 is a prime.

It is a super-2 number, since 2×82998431² = 13777479096923522, 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 (82998481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41499215 + 41499216.

It is an arithmetic number, because the mean of its divisors is an integer number (41499216).

Almost surely, 2^82998431 is an apocalyptic number.

82998431 is a deficient number, since it is larger than the sum of its proper divisors (1).

82998431 is an equidigital number, since it uses as much as digits as its factorization.

82998431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 44.

The square root of 82998431 is about 9110.3474686754. The cubic root of 82998431 is about 436.2043184981.

The spelling of 82998431 in words is "eighty-two million, nine hundred ninety-eight thousand, four hundred thirty-one".