513860345 has 8 divisors (see below), whose sum is σ = 616767360. Its totient is φ = 410998320.

The previous prime is 513860317. The next prime is 513860357. The reversal of 513860345 is 543068315.

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

It is not a de Polignac number, because 513860345 - 2¹⁸ = 513598201 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23840 + ... + 39950.

It is an arithmetic number, because the mean of its divisors is an integer number (77095920).

Almost surely, 2^513860345 is an apocalyptic number.

It is an amenable number.

513860345 is a deficient number, since it is larger than the sum of its proper divisors (102907015).

513860345 is a wasteful number, since it uses less digits than its factorization.

513860345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22495.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 513860345 is about 22668.4879292819. The cubic root of 513860345 is about 800.9677585197.

The spelling of 513860345 in words is "five hundred thirteen million, eight hundred sixty thousand, three hundred forty-five".