503042425 has 12 divisors (see below), whose sum is σ = 643895296. Its totient is φ = 389451600.

The previous prime is 503042413. The next prime is 503042431. The reversal of 503042425 is 524240305.

It is a de Polignac number, because none of the positive numbers 2^k-503042425 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 503042425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 323769 + ... + 325318.

Almost surely, 2^503042425 is an apocalyptic number.

It is an amenable number.

503042425 is a deficient number, since it is larger than the sum of its proper divisors (140852871).

503042425 is a wasteful number, since it uses less digits than its factorization.

503042425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649128 (or 649123 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 503042425 is about 22428.6072906902. The cubic root of 503042425 is about 795.3071212950.

The spelling of 503042425 in words is "five hundred three million, forty-two thousand, four hundred twenty-five".