504452509 has 24 divisors (see below), whose sum is σ = 592026624. Its totient is φ = 427996800.

The previous prime is 504452471. The next prime is 504452567. The reversal of 504452509 is 905254405.

It is a happy number.

It is not a de Polignac number, because 504452509 - 2⁷ = 504452381 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504452579) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 260274 + ... + 262204.

It is an arithmetic number, because the mean of its divisors is an integer number (24667776).

Almost surely, 2^504452509 is an apocalyptic number.

It is an amenable number.

504452509 is a deficient number, since it is larger than the sum of its proper divisors (87574115).

504452509 is a wasteful number, since it uses less digits than its factorization.

504452509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2097 (or 2086 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 504452509 is about 22460.0202359660. The cubic root of 504452509 is about 796.0495395420.

The spelling of 504452509 in words is "five hundred four million, four hundred fifty-two thousand, five hundred nine".