425312517 has 16 divisors (see below), whose sum is σ = 648438912. Its totient is φ = 242906880.

The previous prime is 425312509. The next prime is 425312539. The reversal of 425312517 is 715213524.

It is not a de Polignac number, because 425312517 - 2³ = 425312509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425312317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47113 + ... + 55409.

It is an arithmetic number, because the mean of its divisors is an integer number (40527432).

Almost surely, 2^425312517 is an apocalyptic number.

It is an amenable number.

425312517 is a deficient number, since it is larger than the sum of its proper divisors (223126395).

425312517 is a wasteful number, since it uses less digits than its factorization.

425312517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10748.

The product of its digits is 8400, while the sum is 30.

The square root of 425312517 is about 20623.1063857994. The cubic root of 425312517 is about 752.0315392734.

The spelling of 425312517 in words is "four hundred twenty-five million, three hundred twelve thousand, five hundred seventeen".