82574291 has 2 divisors, whose sum is σ = 82574292. Its totient is φ = 82574290.

The previous prime is 82574273. The next prime is 82574299. The reversal of 82574291 is 19247528.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82574291 - 2⁶ = 82574227 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82574299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41287145 + 41287146.

It is an arithmetic number, because the mean of its divisors is an integer number (41287146).

Almost surely, 2^82574291 is an apocalyptic number.

82574291 is a deficient number, since it is larger than the sum of its proper divisors (1).

82574291 is an equidigital number, since it uses as much as digits as its factorization.

82574291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 38.

The square root of 82574291 is about 9087.0397269958. The cubic root of 82574291 is about 435.4600162859.

The spelling of 82574291 in words is "eighty-two million, five hundred seventy-four thousand, two hundred ninety-one".