505248231 has 8 divisors (see below), whose sum is σ = 675790704. Its totient is φ = 335768960.

The previous prime is 505248229. The next prime is 505248239. The reversal of 505248231 is 132842505.

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

It is a cyclic number.

It is not a de Polignac number, because 505248231 - 2¹ = 505248229 is a prime.

It is a super-2 number, since 2×505248231² = 510551549857258722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505248239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264690 + ... + 266591.

It is an arithmetic number, because the mean of its divisors is an integer number (84473838).

Almost surely, 2^505248231 is an apocalyptic number.

505248231 is a deficient number, since it is larger than the sum of its proper divisors (170542473).

505248231 is a wasteful number, since it uses less digits than its factorization.

505248231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531601.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 505248231 is about 22477.7274429601. The cubic root of 505248231 is about 796.4678817730.

The spelling of 505248231 in words is "five hundred five million, two hundred forty-eight thousand, two hundred thirty-one".