531601316 has 12 divisors (see below), whose sum is σ = 944187888. Its totient is φ = 261833352.

The previous prime is 531601313. The next prime is 531601333. The reversal of 531601316 is 613106135.

It is not an unprimeable number, because it can be changed into a prime (531601313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 991526 + ... + 992061.

It is an arithmetic number, because the mean of its divisors is an integer number (78682324).

Almost surely, 2^531601316 is an apocalyptic number.

It is an amenable number.

531601316 is a deficient number, since it is larger than the sum of its proper divisors (412586572).

531601316 is a wasteful number, since it uses less digits than its factorization.

531601316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983658 (or 1983656 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 531601316 is about 23056.4809977585. The cubic root of 531601316 is about 810.0814407774.

The spelling of 531601316 in words is "five hundred thirty-one million, six hundred one thousand, three hundred sixteen".