513259 has 4 divisors (see below), whose sum is σ = 520560. Its totient is φ = 505960.

The previous prime is 513257. The next prime is 513269. The reversal of 513259 is 952315.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 513259 - 2¹ = 513257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3544 + ... + 3685.

It is an arithmetic number, because the mean of its divisors is an integer number (130140).

2⁵¹³²⁵⁹ is an apocalyptic number.

513259 is a deficient number, since it is larger than the sum of its proper divisors (7301).

513259 is an equidigital number, since it uses as much as digits as its factorization.

513259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7300.

The product of its digits is 1350, while the sum is 25.

The square root of 513259 is about 716.4209656340. The cubic root of 513259 is about 80.0655192424.

The spelling of 513259 in words is "five hundred thirteen thousand, two hundred fifty-nine".