425534510731 has 8 divisors (see below), whose sum is σ = 479194288128. Its totient is φ = 374370537000.

The previous prime is 425534510683. The next prime is 425534510747. The reversal of 425534510731 is 137015435524.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425534510731 is a prime.

It is a super-2 number, since 2×425534510731² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425534510761) 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, 623950555 + ... + 623951236.

It is an arithmetic number, because the mean of its divisors is an integer number (59899286016).

Almost surely, 2^425534510731 is an apocalyptic number.

425534510731 is a deficient number, since it is larger than the sum of its proper divisors (53659777397).

425534510731 is a wasteful number, since it uses less digits than its factorization.

425534510731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247901833.

The product of its (nonzero) digits is 252000, while the sum is 40.

The spelling of 425534510731 in words is "four hundred twenty-five billion, five hundred thirty-four million, five hundred ten thousand, seven hundred thirty-one".