531046172 has 18 divisors (see below), whose sum is σ = 971497128. Its totient is φ = 253977592.

The previous prime is 531046169. The next prime is 531046177. The reversal of 531046172 is 271640135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531046177) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123368 + ... + 127599.

Almost surely, 2^531046172 is an apocalyptic number.

It is an amenable number.

531046172 is a deficient number, since it is larger than the sum of its proper divisors (440450956).

531046172 is a wasteful number, since it uses less digits than its factorization.

531046172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251017 (or 250992 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 531046172 is about 23044.4390688947. The cubic root of 531046172 is about 809.7993568978.

The spelling of 531046172 in words is "five hundred thirty-one million, forty-six thousand, one hundred seventy-two".