425250434831 has 2 divisors, whose sum is σ = 425250434832. Its totient is φ = 425250434830.

The previous prime is 425250434821. The next prime is 425250434857. The reversal of 425250434831 is 138434052524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425250434831 - 2²⁶ = 425183325967 is a prime.

It is a super-2 number, since 2×425250434831² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425250434821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212625217415 + 212625217416.

It is an arithmetic number, because the mean of its divisors is an integer number (212625217416).

Almost surely, 2^425250434831 is an apocalyptic number.

425250434831 is a deficient number, since it is larger than the sum of its proper divisors (1).

425250434831 is an equidigital number, since it uses as much as digits as its factorization.

425250434831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 460800, while the sum is 41.

The spelling of 425250434831 in words is "four hundred twenty-five billion, two hundred fifty million, four hundred thirty-four thousand, eight hundred thirty-one".