503131225 has 6 divisors (see below), whose sum is σ = 623882750. Its totient is φ = 402504960.

The previous prime is 503131177. The next prime is 503131241. The reversal of 503131225 is 522131305.

It can be written as a sum of positive squares in 3 ways, for example, as 24571849 + 478559376 = 4957^2 + 21876^2 .

It is not a de Polignac number, because 503131225 - 2¹⁵ = 503098457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 503131196 and 503131205.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10062600 + ... + 10062649.

Almost surely, 2^503131225 is an apocalyptic number.

It is an amenable number.

503131225 is a deficient number, since it is larger than the sum of its proper divisors (120751525).

503131225 is a wasteful number, since it uses less digits than its factorization.

503131225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20125259 (or 20125254 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 503131225 is about 22430.5868180037. The cubic root of 503131225 is about 795.3539159679.

The spelling of 503131225 in words is "five hundred three million, one hundred thirty-one thousand, two hundred twenty-five".