504245665 has 32 divisors (see below), whose sum is σ = 755723520. Its totient is φ = 313785600.

The previous prime is 504245647. The next prime is 504245669. The reversal of 504245665 is 566542405.

It is not a de Polignac number, because 504245665 - 2⁵ = 504245633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (504245669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 426375 + ... + 427555.

It is an arithmetic number, because the mean of its divisors is an integer number (23616360).

Almost surely, 2^504245665 is an apocalyptic number.

504245665 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

504245665 is a deficient number, since it is larger than the sum of its proper divisors (251477855).

504245665 is a wasteful number, since it uses less digits than its factorization.

504245665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2313.

The product of its (nonzero) digits is 144000, while the sum is 37.

The square root of 504245665 is about 22455.4150484911. The cubic root of 504245665 is about 795.9407215143.

The spelling of 504245665 in words is "five hundred four million, two hundred forty-five thousand, six hundred sixty-five".