512325305505225 has 36 divisors (see below), whose sum is σ = 917682395597500. Its totient is φ = 273225021972480.

The previous prime is 512325305505157. The next prime is 512325305505229. The reversal of 512325305505225 is 522505503523215.

512325305505225 is a `hidden beast` number, since 5 + 1 + 2 + 3 + 25 + 3 + 0 + 550 + 52 + 25 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 16792595907129 + 495532709598096 = 4097877^2 + 22260564^2 .

It is not a de Polignac number, because 512325305505225 - 2⁹ = 512325305504713 is a prime.

It is a super-2 number, since 2×512325305505225² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (512325305505229) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 59017300 + ... + 67139349.

Almost surely, 2^{512325305505225} is an apocalyptic number.

It is an amenable number.

512325305505225 is a deficient number, since it is larger than the sum of its proper divisors (405357090092275).

512325305505225 is a wasteful number, since it uses less digits than its factorization.

512325305505225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126174714 (or 126174706 counting only the distinct ones).

The product of its (nonzero) digits is 2250000, while the sum is 45.

The spelling of 512325305505225 in words is "five hundred twelve trillion, three hundred twenty-five billion, three hundred five million, five hundred five thousand, two hundred twenty-five".