515173090 has 16 divisors (see below), whose sum is σ = 967629888. Its totient is φ = 197109616.

The previous prime is 515173051. The next prime is 515173093. The reversal of 515173090 is 90371515.

It is not an unprimeable number, because it can be changed into a prime (515173093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1119712 + ... + 1120171.

It is an arithmetic number, because the mean of its divisors is an integer number (60476868).

Almost surely, 2^515173090 is an apocalyptic number.

515173090 is a deficient number, since it is larger than the sum of its proper divisors (452456798).

515173090 is a wasteful number, since it uses less digits than its factorization.

515173090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2239913.

The product of its (nonzero) digits is 4725, while the sum is 31.

The square root of 515173090 is about 22697.4247437898. The cubic root of 515173090 is about 801.6492486787.

The spelling of 515173090 in words is "five hundred fifteen million, one hundred seventy-three thousand, ninety".