513994 has 16 divisors (see below), whose sum is σ = 848232. Its totient is φ = 232128.

The previous prime is 513991. The next prime is 514001. The reversal of 513994 is 499315.

513994 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 416025 + 97969 = 645^2 + 313^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (513991) 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 7 ways as a sum of consecutive naturals, for example, 1192 + ... + 1564.

2⁵¹³⁹⁹⁴ is an apocalyptic number.

513994 is a deficient number, since it is larger than the sum of its proper divisors (334238).

513994 is a wasteful number, since it uses less digits than its factorization.

513994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441.

The product of its digits is 4860, while the sum is 31.

The square root of 513994 is about 716.9337486825. The cubic root of 513994 is about 80.1037196365.

The spelling of 513994 in words is "five hundred thirteen thousand, nine hundred ninety-four".