507957223 has 2 divisors, whose sum is σ = 507957224. Its totient is φ = 507957222.

The previous prime is 507957199. The next prime is 507957239. The reversal of 507957223 is 322759705.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 507957223 - 2²¹ = 505860071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (507957253) 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 as a sum of consecutive naturals, namely, 253978611 + 253978612.

It is an arithmetic number, because the mean of its divisors is an integer number (253978612).

Almost surely, 2^507957223 is an apocalyptic number.

507957223 is a deficient number, since it is larger than the sum of its proper divisors (1).

507957223 is an equidigital number, since it uses as much as digits as its factorization.

507957223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 507957223 is about 22537.9063579561. The cubic root of 507957223 is about 797.8888205316. Note that the first 4 decimals are identical.

The spelling of 507957223 in words is "five hundred seven million, nine hundred fifty-seven thousand, two hundred twenty-three".