505714231 has 4 divisors (see below), whose sum is σ = 551688264. Its totient is φ = 459740200.

The previous prime is 505714229. The next prime is 505714273. The reversal of 505714231 is 132417505.

It is a happy number.

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 505714231 - 2¹ = 505714229 is a prime.

It is a super-2 number, since 2×505714231² = 511493766871842722, which contains 22 as substring.

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 505714231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505714291) 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, 22987000 + ... + 22987021.

It is an arithmetic number, because the mean of its divisors is an integer number (137922066).

Almost surely, 2^505714231 is an apocalyptic number.

505714231 is a deficient number, since it is larger than the sum of its proper divisors (45974033).

505714231 is a wasteful number, since it uses less digits than its factorization.

505714231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45974032.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 505714231 is about 22488.0908705030. The cubic root of 505714231 is about 796.7126723275.

The spelling of 505714231 in words is "five hundred five million, seven hundred fourteen thousand, two hundred thirty-one".