505525031 has 8 divisors (see below), whose sum is σ = 556637184. Its totient is φ = 455272120.

The previous prime is 505525021. The next prime is 505525051. The reversal of 505525031 is 130525505.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505525031 is a prime.

It is a super-2 number, since 2×505525031² = 511111113935101922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505525021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213575 + ... + 215928.

It is an arithmetic number, because the mean of its divisors is an integer number (69579648).

Almost surely, 2^505525031 is an apocalyptic number.

505525031 is a deficient number, since it is larger than the sum of its proper divisors (51112153).

505525031 is a wasteful number, since it uses less digits than its factorization.

505525031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429621.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 505525031 is about 22483.8838059620. The cubic root of 505525031 is about 796.6133034017.

The spelling of 505525031 in words is "five hundred five million, five hundred twenty-five thousand, thirty-one".