426767137 has 2 divisors, whose sum is σ = 426767138. Its totient is φ = 426767136.

The previous prime is 426767101. The next prime is 426767171. The reversal of 426767137 is 731767624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 339886096 + 86881041 = 18436^2 + 9321^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426767137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 426767093 and 426767102.

It is not a weakly prime, because it can be changed into another prime (426767837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213383568 + 213383569.

It is an arithmetic number, because the mean of its divisors is an integer number (213383569).

Almost surely, 2^426767137 is an apocalyptic number.

It is an amenable number.

426767137 is a deficient number, since it is larger than the sum of its proper divisors (1).

426767137 is an equidigital number, since it uses as much as digits as its factorization.

426767137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 296352, while the sum is 43.

The square root of 426767137 is about 20658.3430361682. The cubic root of 426767137 is about 752.8879098444.

The spelling of 426767137 in words is "four hundred twenty-six million, seven hundred sixty-seven thousand, one hundred thirty-seven".