507733231 has 2 divisors, whose sum is σ = 507733232. Its totient is φ = 507733230.

The previous prime is 507733229. The next prime is 507733243. The reversal of 507733231 is 132337705.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 507733231 - 2¹ = 507733229 is a prime.

It is a super-2 number, since 2×507733231² = 515586067723398722, which contains 22 as substring.

Together with 507733229, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 507733193 and 507733202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (507733201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253866615 + 253866616.

It is an arithmetic number, because the mean of its divisors is an integer number (253866616).

Almost surely, 2^507733231 is an apocalyptic number.

507733231 is a deficient number, since it is larger than the sum of its proper divisors (1).

507733231 is an equidigital number, since it uses as much as digits as its factorization.

507733231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13230, while the sum is 31.

The square root of 507733231 is about 22532.9365818129. The cubic root of 507733231 is about 797.7715226038.

The spelling of 507733231 in words is "five hundred seven million, seven hundred thirty-three thousand, two hundred thirty-one".