513322087 has 8 divisors (see below), whose sum is σ = 530474112. Its totient is φ = 496207200.

The previous prime is 513322039. The next prime is 513322129. The reversal of 513322087 is 780223315.

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 513322087 - 2⁷ = 513321959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513322037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20373 + ... + 37969.

It is an arithmetic number, because the mean of its divisors is an integer number (66309264).

Almost surely, 2^513322087 is an apocalyptic number.

513322087 is a deficient number, since it is larger than the sum of its proper divisors (17152025).

513322087 is a wasteful number, since it uses less digits than its factorization.

513322087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18569.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 513322087 is about 22656.6124343424. The cubic root of 513322087 is about 800.6879951379.

The spelling of 513322087 in words is "five hundred thirteen million, three hundred twenty-two thousand, eighty-seven".