531083745 has 12 divisors (see below), whose sum is σ = 920545236. Its totient is φ = 283244640.

The previous prime is 531083719. The next prime is 531083753. The reversal of 531083745 is 547380135.

531083745 is a `hidden beast` number, since 531 + 0 + 83 + 7 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 236206161 + 294877584 = 15369^2 + 17172^2 .

It is not a de Polignac number, because 531083745 - 2⁷ = 531083617 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5900886 + ... + 5900975.

It is an arithmetic number, because the mean of its divisors is an integer number (76712103).

Almost surely, 2^531083745 is an apocalyptic number.

It is an amenable number.

531083745 is a deficient number, since it is larger than the sum of its proper divisors (389461491).

531083745 is a wasteful number, since it uses less digits than its factorization.

531083745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11801872 (or 11801869 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 531083745 is about 23045.2542836915. The cubic root of 531083745 is about 809.8184549696.

The spelling of 531083745 in words is "five hundred thirty-one million, eighty-three thousand, seven hundred forty-five".