425967431 has 2 divisors, whose sum is σ = 425967432. Its totient is φ = 425967430.

The previous prime is 425967427. The next prime is 425967481. The reversal of 425967431 is 134769524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425967431 - 2² = 425967427 is a prime.

It is a super-2 number, since 2×425967431² = 362896504545479522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425967481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212983715 + 212983716.

It is an arithmetic number, because the mean of its divisors is an integer number (212983716).

Almost surely, 2^425967431 is an apocalyptic number.

425967431 is a deficient number, since it is larger than the sum of its proper divisors (1).

425967431 is an equidigital number, since it uses as much as digits as its factorization.

425967431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 41.

The square root of 425967431 is about 20638.9784388666. The cubic root of 425967431 is about 752.4173445194.

The spelling of 425967431 in words is "four hundred twenty-five million, nine hundred sixty-seven thousand, four hundred thirty-one".