503103057 has 4 divisors (see below), whose sum is σ = 670804080. Its totient is φ = 335402036.

The previous prime is 503103019. The next prime is 503103059. The reversal of 503103057 is 750301305.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 503103057 - 2¹⁴ = 503086673 is a prime.

It is a super-2 number, since 2×503103057² = 506225371925490498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (503103059) 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 in 3 ways as a sum of consecutive naturals, for example, 83850507 + ... + 83850512.

It is an arithmetic number, because the mean of its divisors is an integer number (167701020).

Almost surely, 2^503103057 is an apocalyptic number.

It is an amenable number.

503103057 is a deficient number, since it is larger than the sum of its proper divisors (167701023).

503103057 is a wasteful number, since it uses less digits than its factorization.

503103057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167701022.

The product of its (nonzero) digits is 1575, while the sum is 24.

The square root of 503103057 is about 22429.9589165919. The cubic root of 503103057 is about 795.3390729567.

The spelling of 503103057 in words is "five hundred three million, one hundred three thousand, fifty-seven".