426125731 has 2 divisors, whose sum is σ = 426125732. Its totient is φ = 426125730.

The previous prime is 426125701. The next prime is 426125773. The reversal of 426125731 is 137521624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426125731 - 2⁷ = 426125603 is a prime.

It is a super-2 number, since 2×426125731² = 363166277240568722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 426125693 and 426125702.

It is not a weakly prime, because it can be changed into another prime (426125701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213062865 + 213062866.

It is an arithmetic number, because the mean of its divisors is an integer number (213062866).

Almost surely, 2^426125731 is an apocalyptic number.

426125731 is a deficient number, since it is larger than the sum of its proper divisors (1).

426125731 is an equidigital number, since it uses as much as digits as its factorization.

426125731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 31.

The square root of 426125731 is about 20642.8130592708. The cubic root of 426125731 is about 752.5105385882.

It can be divided in two parts, 4261 and 25731, that added together give a palindrome (29992).

The spelling of 426125731 in words is "four hundred twenty-six million, one hundred twenty-five thousand, seven hundred thirty-one".