515103485 has 32 divisors (see below), whose sum is σ = 707706720. Its totient is φ = 357786624.

The previous prime is 515103473. The next prime is 515103487. The reversal of 515103485 is 584301515.

It can be written as a sum of positive squares in 16 ways, for example, as 138627076 + 376476409 = 11774^2 + 19403^2 .

It is not a de Polignac number, because 515103485 - 2²⁰ = 514054909 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515103487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 318539 + ... + 320151.

It is an arithmetic number, because the mean of its divisors is an integer number (22115835).

Almost surely, 2^515103485 is an apocalyptic number.

It is an amenable number.

515103485 is a deficient number, since it is larger than the sum of its proper divisors (192603235).

515103485 is a wasteful number, since it uses less digits than its factorization.

515103485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682 (or 1648 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 515103485 is about 22695.8913682631. The cubic root of 515103485 is about 801.6131434614.

The spelling of 515103485 in words is "five hundred fifteen million, one hundred three thousand, four hundred eighty-five".