513650345 has 32 divisors (see below), whose sum is σ = 674593920. Its totient is φ = 373201920.

The previous prime is 513650323. The next prime is 513650363. The reversal of 513650345 is 543056315.

It is not a de Polignac number, because 513650345 - 2¹² = 513646249 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1524017 + ... + 1524353.

It is an arithmetic number, because the mean of its divisors is an integer number (21081060).

Almost surely, 2^513650345 is an apocalyptic number.

It is an amenable number.

513650345 is a deficient number, since it is larger than the sum of its proper divisors (160943575).

513650345 is a wasteful number, since it uses less digits than its factorization.

513650345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 513650345 is about 22663.8554751834. The cubic root of 513650345 is about 800.8586327950.

The spelling of 513650345 in words is "five hundred thirteen million, six hundred fifty thousand, three hundred forty-five".