425708013531 has 8 divisors (see below), whose sum is σ = 571753828944. Its totient is φ = 281733770240.

The previous prime is 425708013503. The next prime is 425708013553. The reversal of 425708013531 is 135310807524.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 425708013531 - 2²¹ = 425705916379 is a prime.

It is a super-2 number, since 2×425708013531² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 425708013531.

It is not an unprimeable number, because it can be changed into a prime (425708113531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517892550 + ... + 517893371.

It is an arithmetic number, because the mean of its divisors is an integer number (71469228618).

Almost surely, 2^425708013531 is an apocalyptic number.

425708013531 is a deficient number, since it is larger than the sum of its proper divisors (146045815413).

425708013531 is a wasteful number, since it uses less digits than its factorization.

425708013531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035786061.

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 425708013531 in words is "four hundred twenty-five billion, seven hundred eight million, thirteen thousand, five hundred thirty-one".