503957869 has 2 divisors, whose sum is σ = 503957870. Its totient is φ = 503957868.

The previous prime is 503957863. The next prime is 503957873. The reversal of 503957869 is 968759305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 409576644 + 94381225 = 20238^2 + 9715^2 .

It is a cyclic number.

It is not a de Polignac number, because 503957869 - 2⁵ = 503957837 is a prime.

It is a super-2 number, since 2×503957869² = 507947067454042322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503957863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251978934 + 251978935.

It is an arithmetic number, because the mean of its divisors is an integer number (251978935).

Almost surely, 2^503957869 is an apocalyptic number.

It is an amenable number.

503957869 is a deficient number, since it is larger than the sum of its proper divisors (1).

503957869 is an equidigital number, since it uses as much as digits as its factorization.

503957869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2041200, while the sum is 52.

The square root of 503957869 is about 22449.0059690847. The cubic root of 503957869 is about 795.7892661387.

The spelling of 503957869 in words is "five hundred three million, nine hundred fifty-seven thousand, eight hundred sixty-nine".