505595725 has 12 divisors (see below), whose sum is σ = 663818004. Its totient is φ = 380683520.

The previous prime is 505595707. The next prime is 505595749. The reversal of 505595725 is 527595505.

It can be written as a sum of positive squares in 6 ways, for example, as 335241 + 505260484 = 579^2 + 22478^2 .

It is not a de Polignac number, because 505595725 - 2¹¹ = 505593677 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 594394 + ... + 595243.

It is an arithmetic number, because the mean of its divisors is an integer number (55318167).

Almost surely, 2^505595725 is an apocalyptic number.

It is an amenable number.

505595725 is a deficient number, since it is larger than the sum of its proper divisors (158222279).

505595725 is a wasteful number, since it uses less digits than its factorization.

505595725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189664 (or 1189659 counting only the distinct ones).

The product of its (nonzero) digits is 393750, while the sum is 43.

The square root of 505595725 is about 22485.4558548409. The cubic root of 505595725 is about 796.6504351970.

The spelling of 505595725 in words is "five hundred five million, five hundred ninety-five thousand, seven hundred twenty-five".