426797731 has 2 divisors, whose sum is σ = 426797732. Its totient is φ = 426797730.

The previous prime is 426797719. The next prime is 426797743. The reversal of 426797731 is 137797624.

It is a balanced prime because it is at equal distance from previous prime (426797719) and next prime (426797743).

It is a cyclic number.

It is not a de Polignac number, because 426797731 - 2⁹ = 426797219 is a prime.

It is a super-2 number, since 2×426797731² = 364312606373496722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (426797431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213398865 + 213398866.

It is an arithmetic number, because the mean of its divisors is an integer number (213398866).

Almost surely, 2^426797731 is an apocalyptic number.

426797731 is a deficient number, since it is larger than the sum of its proper divisors (1).

426797731 is an equidigital number, since it uses as much as digits as its factorization.

426797731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 444528, while the sum is 46.

The square root of 426797731 is about 20659.0834985485. The cubic root of 426797731 is about 752.9059003755.

The spelling of 426797731 in words is "four hundred twenty-six million, seven hundred ninety-seven thousand, seven hundred thirty-one".