503383155025 has 45 divisors (see below), whose sum is σ = 664560317383. Its totient is φ = 378245974400.

The previous prime is 503383155019. The next prime is 503383155071. The reversal of 503383155025 is 520551383305.

The square root of 503383155025 is 709495.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 54852918849 + 448530236176 = 234207^2 + 669724^2 .

It is not a de Polignac number, because 503383155025 - 2⁵ = 503383154993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1025220030 + ... + 1025220520.

Almost surely, 2^503383155025 is an apocalyptic number.

503383155025 is the 709495-th square number.

503383155025 is the 354748-th centered octagonal number.

It is an amenable number.

503383155025 is a deficient number, since it is larger than the sum of its proper divisors (161177162358).

503383155025 is an frugal number, since it uses more digits than its factorization.

503383155025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060 (or 513 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 40.

The spelling of 503383155025 in words is "five hundred three billion, three hundred eighty-three million, one hundred fifty-five thousand, twenty-five".