515000473 has 16 divisors (see below), whose sum is σ = 581631120. Its totient is φ = 452680704.

The previous prime is 515000461. The next prime is 515000477. The reversal of 515000473 is 374000515.

It can be written as a sum of positive squares in 8 ways, for example, as 28224 + 514972249 = 168^2 + 22693^2 .

It is a cyclic number.

It is not a de Polignac number, because 515000473 - 2²⁵ = 481446041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (515000477) 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, 18165 + ... + 36877.

It is an arithmetic number, because the mean of its divisors is an integer number (36351945).

Almost surely, 2^515000473 is an apocalyptic number.

It is an amenable number.

515000473 is a deficient number, since it is larger than the sum of its proper divisors (66630647).

515000473 is a wasteful number, since it uses less digits than its factorization.

515000473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18828.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 515000473 is about 22693.6218572532. The cubic root of 515000473 is about 801.5597035341.

Adding to 515000473 its reverse (374000515), we get a palindrome (889000988).

The spelling of 515000473 in words is "five hundred fifteen million, four hundred seventy-three", and thus it is an aban number.