531192045 has 16 divisors (see below), whose sum is σ = 864313920. Its totient is φ = 278500224.

The previous prime is 531192041. The next prime is 531192049. The reversal of 531192045 is 540291135.

It is an interprime number because it is at equal distance from previous prime (531192041) and next prime (531192049).

It is not a de Polignac number, because 531192045 - 2² = 531192041 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531192041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299224 + ... + 300993.

It is an arithmetic number, because the mean of its divisors is an integer number (54019620).

Almost surely, 2^531192045 is an apocalyptic number.

It is an amenable number.

531192045 is a deficient number, since it is larger than the sum of its proper divisors (333121875).

531192045 is a wasteful number, since it uses less digits than its factorization.

531192045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600284.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 531192045 is about 23047.6038884740. The cubic root of 531192045 is about 809.8734980010.

The spelling of 531192045 in words is "five hundred thirty-one million, one hundred ninety-two thousand, forty-five".