513040555 has 8 divisors (see below), whose sum is σ = 616367232. Its totient is φ = 409953408.

The previous prime is 513040547. The next prime is 513040571. The reversal of 513040555 is 555040315.

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 513040555 - 2³ = 513040547 is a prime.

It is a super-2 number, since 2×513040555² = 526421222149416050, which contains 22 as substring.

It is a Duffinian number.

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, 55134 + ... + 63763.

It is an arithmetic number, because the mean of its divisors is an integer number (77045904).

Almost surely, 2^513040555 is an apocalyptic number.

513040555 is a deficient number, since it is larger than the sum of its proper divisors (103326677).

513040555 is a wasteful number, since it uses less digits than its factorization.

513040555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119765.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 513040555 is about 22650.3985616148. The cubic root of 513040555 is about 800.5415889981.

The spelling of 513040555 in words is "five hundred thirteen million, forty thousand, five hundred fifty-five".