504309725 has 12 divisors (see below), whose sum is σ = 631191744. Its totient is φ = 399675120.

The previous prime is 504309703. The next prime is 504309731. The reversal of 504309725 is 527903405.

It is not a de Polignac number, because 504309725 - 2¹⁶ = 504244189 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, 91589 + ... + 96938.

It is an arithmetic number, because the mean of its divisors is an integer number (52599312).

Almost surely, 2^504309725 is an apocalyptic number.

It is an amenable number.

504309725 is a deficient number, since it is larger than the sum of its proper divisors (126882019).

504309725 is a wasteful number, since it uses less digits than its factorization.

504309725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188644 (or 188639 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 504309725 is about 22456.8413851993. The cubic root of 504309725 is about 795.9744258553.

The spelling of 504309725 in words is "five hundred four million, three hundred nine thousand, seven hundred twenty-five".