531645052 has 12 divisors (see below), whose sum is σ = 962461080. Its totient is φ = 256656176.

The previous prime is 531645043. The next prime is 531645083. The reversal of 531645052 is 250546135.

It is a super-2 number, since 2×531645052² = 565292922632165408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2291458 + ... + 2291689.

It is an arithmetic number, because the mean of its divisors is an integer number (80205090).

Almost surely, 2^531645052 is an apocalyptic number.

It is an amenable number.

531645052 is a deficient number, since it is larger than the sum of its proper divisors (430816028).

531645052 is a wasteful number, since it uses less digits than its factorization.

531645052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4583180 (or 4583178 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 531645052 is about 23057.4294317472. The cubic root of 531645052 is about 810.1036558907.

The spelling of 531645052 in words is "five hundred thirty-one million, six hundred forty-five thousand, fifty-two".