515669045 has 8 divisors (see below), whose sum is σ = 619370496. Its totient is φ = 412156816.

The previous prime is 515669009. The next prime is 515669047. The reversal of 515669045 is 540966515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 515669045 - 2¹² = 515664949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 515668993 and 515669011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515669047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41237 + ... + 52266.

It is an arithmetic number, because the mean of its divisors is an integer number (77421312).

Almost surely, 2^515669045 is an apocalyptic number.

It is an amenable number.

515669045 is a deficient number, since it is larger than the sum of its proper divisors (103701451).

515669045 is a wasteful number, since it uses less digits than its factorization.

515669045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94611.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 515669045 is about 22708.3474740017. The cubic root of 515669045 is about 801.9064143094.

The spelling of 515669045 in words is "five hundred fifteen million, six hundred sixty-nine thousand, forty-five".