425323667 has 2 divisors, whose sum is σ = 425323668. Its totient is φ = 425323666.

The previous prime is 425323649. The next prime is 425323687. The reversal of 425323667 is 766323524.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425323667 - 2⁶ = 425323603 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425323667.

It is not a weakly prime, because it can be changed into another prime (425323637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212661833 + 212661834.

It is an arithmetic number, because the mean of its divisors is an integer number (212661834).

Almost surely, 2^425323667 is an apocalyptic number.

425323667 is a deficient number, since it is larger than the sum of its proper divisors (1).

425323667 is an equidigital number, since it uses as much as digits as its factorization.

425323667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 38.

The square root of 425323667 is about 20623.3767118772. The cubic root of 425323667 is about 752.0381109731.

The spelling of 425323667 in words is "four hundred twenty-five million, three hundred twenty-three thousand, six hundred sixty-seven".