426592081 has 2 divisors, whose sum is σ = 426592082. Its totient is φ = 426592080.

The previous prime is 426592051. The next prime is 426592099. The reversal of 426592081 is 180295624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 415140625 + 11451456 = 20375^2 + 3384^2 .

It is a cyclic number.

It is not a de Polignac number, because 426592081 - 2²⁵ = 393037649 is a prime.

It is a super-2 number, since 2×426592081² = 363961607143821122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 426592081.

It is not a weakly prime, because it can be changed into another prime (426592051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213296040 + 213296041.

It is an arithmetic number, because the mean of its divisors is an integer number (213296041).

Almost surely, 2^426592081 is an apocalyptic number.

It is an amenable number.

426592081 is a deficient number, since it is larger than the sum of its proper divisors (1).

426592081 is an equidigital number, since it uses as much as digits as its factorization.

426592081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 426592081 is about 20654.1056693336. The cubic root of 426592081 is about 752.7849531737.

The spelling of 426592081 in words is "four hundred twenty-six million, five hundred ninety-two thousand, eighty-one".