531032045 has 8 divisors (see below), whose sum is σ = 670777440. Its totient is φ = 402466320.

The previous prime is 531032039. The next prime is 531032059. The reversal of 531032045 is 540230135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-531032045 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 531032045.

It is a congruent number.

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, 2794811 + ... + 2795000.

It is an arithmetic number, because the mean of its divisors is an integer number (83847180).

Almost surely, 2^531032045 is an apocalyptic number.

It is an amenable number.

531032045 is a deficient number, since it is larger than the sum of its proper divisors (139745395).

531032045 is a wasteful number, since it uses less digits than its factorization.

531032045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5589835.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 531032045 is about 23044.1325503912. The cubic root of 531032045 is about 809.7921760175.

The spelling of 531032045 in words is "five hundred thirty-one million, thirty-two thousand, forty-five".