504928745 has 4 divisors (see below), whose sum is σ = 605914500. Its totient is φ = 403942992.

The previous prime is 504928727. The next prime is 504928769. The reversal of 504928745 is 547829405.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 335512489 + 169416256 = 18317^2 + 13016^2 .

It is a cyclic number.

It is not a de Polignac number, because 504928745 - 2¹² = 504924649 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 504928696 and 504928705.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50492870 + ... + 50492879.

It is an arithmetic number, because the mean of its divisors is an integer number (151478625).

Almost surely, 2^504928745 is an apocalyptic number.

It is an amenable number.

504928745 is a deficient number, since it is larger than the sum of its proper divisors (100985755).

504928745 is a wasteful number, since it uses less digits than its factorization.

504928745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100985754.

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 504928745 is about 22470.6195953739. The cubic root of 504928745 is about 796.2999682765.

The spelling of 504928745 in words is "five hundred four million, nine hundred twenty-eight thousand, seven hundred forty-five".