513043 has 8 divisors (see below), whose sum is σ = 550368. Its totient is φ = 476544.

The previous prime is 513041. The next prime is 513047. The reversal of 513043 is 340315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 513043 - 2¹ = 513041 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 7 ways as a sum of consecutive naturals, for example, 1605 + ... + 1897.

It is an arithmetic number, because the mean of its divisors is an integer number (68796).

2⁵¹³⁰⁴³ is an apocalyptic number.

513043 is a deficient number, since it is larger than the sum of its proper divisors (37325).

513043 is a wasteful number, since it uses less digits than its factorization.

513043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 513043 is about 716.2702004132. The cubic root of 513043 is about 80.0542860711.

Adding to 513043 its reverse (340315), we get a palindrome (853358).

The spelling of 513043 in words is "five hundred thirteen thousand, forty-three".