504145725 has 12 divisors (see below), whose sum is σ = 833521056. Its totient is φ = 268877680.

The previous prime is 504145711. The next prime is 504145787. The reversal of 504145725 is 527541405.

It is not a de Polignac number, because 504145725 - 2¹¹ = 504143677 is a prime.

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, 3360897 + ... + 3361046.

It is an arithmetic number, because the mean of its divisors is an integer number (69460088).

Almost surely, 2^504145725 is an apocalyptic number.

It is an amenable number.

504145725 is a deficient number, since it is larger than the sum of its proper divisors (329375331).

504145725 is a wasteful number, since it uses less digits than its factorization.

504145725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6721956 (or 6721951 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 33.

The square root of 504145725 is about 22453.1896397817. The cubic root of 504145725 is about 795.8881336739. Note that the first 3 decimals are identical.

The spelling of 504145725 in words is "five hundred four million, one hundred forty-five thousand, seven hundred twenty-five".