500542331 has 2 divisors, whose sum is σ = 500542332. Its totient is φ = 500542330.

The previous prime is 500542297. The next prime is 500542333. The reversal of 500542331 is 133245005.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 500542331 - 2²⁶ = 433433467 is a prime.

It is a super-2 number, since 2×500542331² = 501085250245827122, which contains 22 as substring.

Together with 500542333, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 500542297 and 500542306.

It is not a weakly prime, because it can be changed into another prime (500542333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250271165 + 250271166.

It is an arithmetic number, because the mean of its divisors is an integer number (250271166).

Almost surely, 2^500542331 is an apocalyptic number.

500542331 is a deficient number, since it is larger than the sum of its proper divisors (1).

500542331 is an equidigital number, since it uses as much as digits as its factorization.

500542331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 500542331 is about 22372.8033782090. The cubic root of 500542331 is about 793.9873878930.

Adding to 500542331 its reverse (133245005), we get a palindrome (633787336).

The spelling of 500542331 in words is "five hundred million, five hundred forty-two thousand, three hundred thirty-one".