531666675 has 18 divisors (see below), whose sum is σ = 952274492. Its totient is φ = 283555440.

The previous prime is 531666649. The next prime is 531666701. The reversal of 531666675 is 576666135.

It is an interprime number because it is at equal distance from previous prime (531666649) and next prime (531666701).

It is not a de Polignac number, because 531666675 - 2²⁸ = 263231219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 531666675.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1181257 + ... + 1181706.

Almost surely, 2^531666675 is an apocalyptic number.

531666675 is a deficient number, since it is larger than the sum of its proper divisors (420607817).

531666675 is a wasteful number, since it uses less digits than its factorization.

531666675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362979 (or 2362971 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The square root of 531666675 is about 23057.8983213995. The cubic root of 531666675 is about 810.1146385528.

The spelling of 531666675 in words is "five hundred thirty-one million, six hundred sixty-six thousand, six hundred seventy-five".