513152065 has 16 divisors (see below), whose sum is σ = 624572928. Its totient is φ = 404683776.

The previous prime is 513152051. The next prime is 513152099. The reversal of 513152065 is 560251315.

It is a cyclic number.

It is not a de Polignac number, because 513152065 - 2²⁷ = 378934337 is a prime.

It is a super-3 number, since 3×513152065³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238384 + ... + 240526.

It is an arithmetic number, because the mean of its divisors is an integer number (39035808).

Almost surely, 2^513152065 is an apocalyptic number.

It is an amenable number.

513152065 is a deficient number, since it is larger than the sum of its proper divisors (111420863).

513152065 is a wasteful number, since it uses less digits than its factorization.

513152065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2808.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 513152065 is about 22652.8599739636. The cubic root of 513152065 is about 800.5995843651.

The spelling of 513152065 in words is "five hundred thirteen million, one hundred fifty-two thousand, sixty-five".