82892569 has 2 divisors, whose sum is σ = 82892570. Its totient is φ = 82892568.

The previous prime is 82892521. The next prime is 82892587. The reversal of 82892569 is 96529828.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57942544 + 24950025 = 7612^2 + 4995^2 .

It is a cyclic number.

It is not a de Polignac number, because 82892569 - 2¹³ = 82884377 is a prime.

It is a super-2 number, since 2×82892569² = 13742355990839522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (82892599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41446284 + 41446285.

It is an arithmetic number, because the mean of its divisors is an integer number (41446285).

Almost surely, 2^82892569 is an apocalyptic number.

It is an amenable number.

82892569 is a deficient number, since it is larger than the sum of its proper divisors (1).

82892569 is an equidigital number, since it uses as much as digits as its factorization.

82892569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 49.

The square root of 82892569 is about 9104.5356279165. The cubic root of 82892569 is about 436.0187844360.

The spelling of 82892569 in words is "eighty-two million, eight hundred ninety-two thousand, five hundred sixty-nine".