505253031 has 4 divisors (see below), whose sum is σ = 673670712. Its totient is φ = 336835352.

The previous prime is 505253017. The next prime is 505253059. The reversal of 505253031 is 130352505.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 505253031 - 2⁵ = 505252999 is a prime.

It is a super-2 number, since 2×505253031² = 510561250669373922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 505252992 and 505253010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505253131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84208836 + ... + 84208841.

It is an arithmetic number, because the mean of its divisors is an integer number (168417678).

Almost surely, 2^505253031 is an apocalyptic number.

505253031 is a deficient number, since it is larger than the sum of its proper divisors (168417681).

505253031 is a wasteful number, since it uses less digits than its factorization.

505253031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168417680.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 505253031 is about 22477.8342150662. The cubic root of 505253031 is about 796.4704039878.

The spelling of 505253031 in words is "five hundred five million, two hundred fifty-three thousand, thirty-one".