513314649 has 6 divisors (see below), whose sum is σ = 741454506. Its totient is φ = 342209760.

The previous prime is 513314639. The next prime is 513314657. The reversal of 513314649 is 946413315.

513314649 is a `hidden beast` number, since 5 + 1 + 3 + 3 + 1 + 4 + 649 = 666.

It can be written as a sum of positive squares in only one way, i.e., 501536025 + 11778624 = 22395^2 + 3432^2 .

It is not a de Polignac number, because 513314649 - 2⁵ = 513314617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (513314639) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28517472 + ... + 28517489.

It is an arithmetic number, because the mean of its divisors is an integer number (123575751).

Almost surely, 2^513314649 is an apocalyptic number.

It is an amenable number.

513314649 is a deficient number, since it is larger than the sum of its proper divisors (228139857).

513314649 is a wasteful number, since it uses less digits than its factorization.

513314649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57034967 (or 57034964 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 513314649 is about 22656.4482874082. The cubic root of 513314649 is about 800.6841278155.

The spelling of 513314649 in words is "five hundred thirteen million, three hundred fourteen thousand, six hundred forty-nine".