513265087 has 2 divisors, whose sum is σ = 513265088. Its totient is φ = 513265086.

The previous prime is 513265021. The next prime is 513265141. The reversal of 513265087 is 780562315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 513265087 - 2⁷ = 513264959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513265007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256632543 + 256632544.

It is an arithmetic number, because the mean of its divisors is an integer number (256632544).

Almost surely, 2^513265087 is an apocalyptic number.

513265087 is a deficient number, since it is larger than the sum of its proper divisors (1).

513265087 is an equidigital number, since it uses as much as digits as its factorization.

513265087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 513265087 is about 22655.3544885089. The cubic root of 513265087 is about 800.6583575372.

The spelling of 513265087 in words is "five hundred thirteen million, two hundred sixty-five thousand, eighty-seven".