425160828531 has 16 divisors (see below), whose sum is σ = 629993992320. Its totient is φ = 283383808200.

The previous prime is 425160828473. The next prime is 425160828539. The reversal of 425160828531 is 135828061524.

425160828531 is a `hidden beast` number, since 4 + 2 + 5 + 1 + 608 + 2 + 8 + 5 + 31 = 666.

It is not a de Polignac number, because 425160828531 - 2⁷ = 425160828403 is a prime.

It is a super-2 number, since 2×425160828531² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (425160828539) 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, 1438645 + ... + 1708806.

It is an arithmetic number, because the mean of its divisors is an integer number (39374624520).

Almost surely, 2^425160828531 is an apocalyptic number.

425160828531 is a deficient number, since it is larger than the sum of its proper divisors (204833163789).

425160828531 is a wasteful number, since it uses less digits than its factorization.

425160828531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3152463 (or 3152457 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The spelling of 425160828531 in words is "four hundred twenty-five billion, one hundred sixty million, eight hundred twenty-eight thousand, five hundred thirty-one".