426367237 has 2 divisors, whose sum is σ = 426367238. Its totient is φ = 426367236.

The previous prime is 426367229. The next prime is 426367313. The reversal of 426367237 is 732763624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 419471361 + 6895876 = 20481^2 + 2626^2 .

It is a cyclic number.

It is not a de Polignac number, because 426367237 - 2³ = 426367229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 426367237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426367637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213183618 + 213183619.

It is an arithmetic number, because the mean of its divisors is an integer number (213183619).

Almost surely, 2^426367237 is an apocalyptic number.

It is an amenable number.

426367237 is a deficient number, since it is larger than the sum of its proper divisors (1).

426367237 is an equidigital number, since it uses as much as digits as its factorization.

426367237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 40.

The square root of 426367237 is about 20648.6618694772. The cubic root of 426367237 is about 752.6526730764.

The spelling of 426367237 in words is "four hundred twenty-six million, three hundred sixty-seven thousand, two hundred thirty-seven".