513049 has 4 divisors (see below), whose sum is σ = 516880. Its totient is φ = 509220.

The previous prime is 513047. The next prime is 513053. The reversal of 513049 is 940315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 513049 - 2¹ = 513047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1707 + ... + 1984.

It is an arithmetic number, because the mean of its divisors is an integer number (129220).

2⁵¹³⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

513049 is a deficient number, since it is larger than the sum of its proper divisors (3831).

513049 is a wasteful number, since it uses less digits than its factorization.

513049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3830.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 513049 is about 716.2743887645. The cubic root of 513049 is about 80.0545981462.

The spelling of 513049 in words is "five hundred thirteen thousand, forty-nine".