505563003325 has 24 divisors (see below), whose sum is σ = 633502656360. Its totient is φ = 400191283200.

The previous prime is 505563003311. The next prime is 505563003347. The reversal of 505563003325 is 523300365505.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 169063235929 + 336499767396 = 411173^2 + 580086^2 .

It is a de Polignac number, because none of the positive numbers 2^k-505563003325 is a prime.

It is a super-2 number, since 2×505563003325² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12126015 + ... + 12167635.

It is an arithmetic number, because the mean of its divisors is an integer number (26395944015).

Almost surely, 2^505563003325 is an apocalyptic number.

It is an amenable number.

505563003325 is a deficient number, since it is larger than the sum of its proper divisors (127939653035).

505563003325 is a wasteful number, since it uses less digits than its factorization.

505563003325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46737 (or 46732 counting only the distinct ones).

The product of its (nonzero) digits is 202500, while the sum is 37.

The spelling of 505563003325 in words is "five hundred five billion, five hundred sixty-three million, three thousand, three hundred twenty-five".