504361663 has 16 divisors (see below), whose sum is σ = 556972416. Its totient is φ = 453771360.

The previous prime is 504361657. The next prime is 504361673. The reversal of 504361663 is 366163405.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-504361663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504361633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 461748 + ... + 462838.

It is an arithmetic number, because the mean of its divisors is an integer number (34810776).

Almost surely, 2^504361663 is an apocalyptic number.

504361663 is a deficient number, since it is larger than the sum of its proper divisors (52610753).

504361663 is a wasteful number, since it uses less digits than its factorization.

504361663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 504361663 is about 22457.9977513580. The cubic root of 504361663 is about 796.0017502676.

The spelling of 504361663 in words is "five hundred four million, three hundred sixty-one thousand, six hundred sixty-three".