531601604530 has 16 divisors (see below), whose sum is σ = 956908759104. Its totient is φ = 212634892720.

The previous prime is 531601604507. The next prime is 531601604551. The reversal of 531601604530 is 35406106135.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319732 + ... + 1079551.

It is an arithmetic number, because the mean of its divisors is an integer number (59806797444).

Almost surely, 2^531601604530 is an apocalyptic number.

531601604530 is a deficient number, since it is larger than the sum of its proper divisors (425307154574).

531601604530 is a wasteful number, since it uses less digits than its factorization.

531601604530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437281.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 531601604530 in words is "five hundred thirty-one billion, six hundred one million, six hundred four thousand, five hundred thirty".