506313155225 has 12 divisors (see below), whose sum is σ = 627866538300. Its totient is φ = 405025862400.

The previous prime is 506313155207. The next prime is 506313155269. The reversal of 506313155225 is 522551313605.

It can be written as a sum of positive squares in 6 ways, for example, as 63197937664 + 443115217561 = 251392^2 + 665669^2 .

It is not a de Polignac number, because 506313155225 - 2⁸ = 506313154969 is a prime.

It is a super-2 number, since 2×506313155225² (a number of 24 digits) contains 22 as substring.

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, 191996 + ... + 1024445.

It is an arithmetic number, because the mean of its divisors is an integer number (52322211525).

Almost surely, 2^506313155225 is an apocalyptic number.

It is an amenable number.

506313155225 is a deficient number, since it is larger than the sum of its proper divisors (121553383075).

506313155225 is a wasteful number, since it uses less digits than its factorization.

506313155225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233100 (or 1233095 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 38.

The spelling of 506313155225 in words is "five hundred six billion, three hundred thirteen million, one hundred fifty-five thousand, two hundred twenty-five".