426272137 has 2 divisors, whose sum is σ = 426272138. Its totient is φ = 426272136.

The previous prime is 426272123. The next prime is 426272141. The reversal of 426272137 is 731272624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219602761 + 206669376 = 14819^2 + 14376^2 .

It is a cyclic number.

It is not a de Polignac number, because 426272137 - 2¹⁹ = 425747849 is a prime.

It is not a weakly prime, because it can be changed into another prime (426272167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213136068 + 213136069.

It is an arithmetic number, because the mean of its divisors is an integer number (213136069).

Almost surely, 2^426272137 is an apocalyptic number.

It is an amenable number.

426272137 is a deficient number, since it is larger than the sum of its proper divisors (1).

426272137 is an equidigital number, since it uses as much as digits as its factorization.

426272137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 34.

The square root of 426272137 is about 20646.3589283922. The cubic root of 426272137 is about 752.5967099025.

It can be divided in two parts, 426272 and 137, that added together give a square (426409 = 653²).

The spelling of 426272137 in words is "four hundred twenty-six million, two hundred seventy-two thousand, one hundred thirty-seven".