504542105 has 16 divisors (see below), whose sum is σ = 626636304. Its totient is φ = 389713920.

The previous prime is 504542089. The next prime is 504542107. The reversal of 504542105 is 501245405.

It can be written as a sum of positive squares in 8 ways, for example, as 220552201 + 283989904 = 14851^2 + 16852^2 .

It is not a de Polignac number, because 504542105 - 2⁴ = 504542089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (504542107) 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, 7199 + ... + 32571.

It is an arithmetic number, because the mean of its divisors is an integer number (39164769).

Almost surely, 2^504542105 is an apocalyptic number.

It is an amenable number.

504542105 is a deficient number, since it is larger than the sum of its proper divisors (122094199).

504542105 is a wasteful number, since it uses less digits than its factorization.

504542105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25516.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 504542105 is about 22462.0147137339. The cubic root of 504542105 is about 796.0966656382.

The spelling of 504542105 in words is "five hundred four million, five hundred forty-two thousand, one hundred five".