513364387 has 2 divisors, whose sum is σ = 513364388. Its totient is φ = 513364386.

The previous prime is 513364337. The next prime is 513364429. The reversal of 513364387 is 783463315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 513364387 - 2⁷ = 513364259 is a prime.

It is not a weakly prime, because it can be changed into another prime (513364337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256682193 + 256682194.

It is an arithmetic number, because the mean of its divisors is an integer number (256682194).

Almost surely, 2^513364387 is an apocalyptic number.

513364387 is a deficient number, since it is larger than the sum of its proper divisors (1).

513364387 is an equidigital number, since it uses as much as digits as its factorization.

513364387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 40.

The square root of 513364387 is about 22657.5459174201. The cubic root of 513364387 is about 800.7099879392.

The spelling of 513364387 in words is "five hundred thirteen million, three hundred sixty-four thousand, three hundred eighty-seven".