513694 has 8 divisors (see below), whose sum is σ = 773640. Its totient is φ = 255816.

The previous prime is 513691. The next prime is 513697. The reversal of 513694 is 496315.

It is an interprime number because it is at equal distance from previous prime (513691) and next prime (513697).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513691) 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, 532 + ... + 1144.

It is an arithmetic number, because the mean of its divisors is an integer number (96705).

2⁵¹³⁶⁹⁴ is an apocalyptic number.

513694 is a deficient number, since it is larger than the sum of its proper divisors (259946).

513694 is a wasteful number, since it uses less digits than its factorization.

513694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034.

The product of its digits is 3240, while the sum is 28.

The square root of 513694 is about 716.7244937910. The cubic root of 513694 is about 80.0881320403.

The spelling of 513694 in words is "five hundred thirteen thousand, six hundred ninety-four".