425063255431 has 4 divisors (see below), whose sum is σ = 431407483192. Its totient is φ = 418719027672.

The previous prime is 425063255413. The next prime is 425063255437. The reversal of 425063255431 is 134552360524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 425063255431 - 2²¹ = 425061158279 is a prime.

It is a super-2 number, since 2×425063255431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425063255437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3172113780 + ... + 3172113913.

It is an arithmetic number, because the mean of its divisors is an integer number (107851870798).

Almost surely, 2^425063255431 is an apocalyptic number.

425063255431 is a deficient number, since it is larger than the sum of its proper divisors (6344227761).

425063255431 is an equidigital number, since it uses as much as digits as its factorization.

425063255431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6344227760.

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 425063255431 in words is "four hundred twenty-five billion, sixty-three million, two hundred fifty-five thousand, four hundred thirty-one".