82292473 has 2 divisors, whose sum is σ = 82292474. Its totient is φ = 82292472.

The previous prime is 82292429. The next prime is 82292489. The reversal of 82292473 is 37429228.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76685049 + 5607424 = 8757^2 + 2368^2 .

It is a cyclic number.

It is not a de Polignac number, because 82292473 - 2²¹ = 80195321 is a prime.

It is a super-2 number, since 2×82292473² = 13544102224911458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (82290473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41146236 + 41146237.

It is an arithmetic number, because the mean of its divisors is an integer number (41146237).

Almost surely, 2^82292473 is an apocalyptic number.

It is an amenable number.

82292473 is a deficient number, since it is larger than the sum of its proper divisors (1).

82292473 is an equidigital number, since it uses as much as digits as its factorization.

82292473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 37.

The square root of 82292473 is about 9071.5198836799. The cubic root of 82292473 is about 434.9640574522.

The spelling of 82292473 in words is "eighty-two million, two hundred ninety-two thousand, four hundred seventy-three".