515494 has 8 divisors (see below), whose sum is σ = 883728. Its totient is φ = 220920.

The previous prime is 515477. The next prime is 515507. The reversal of 515494 is 494515.

515494 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a nialpdrome in base 9.

It is a congruent number.

It is an unprimeable number.

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, 18397 + ... + 18424.

It is an arithmetic number, because the mean of its divisors is an integer number (110466).

2⁵¹⁵⁴⁹⁴ is an apocalyptic number.

515494 is a deficient number, since it is larger than the sum of its proper divisors (368234).

515494 is a wasteful number, since it uses less digits than its factorization.

515494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36830.

The product of its digits is 3600, while the sum is 28.

The square root of 515494 is about 717.9791083312. The cubic root of 515494 is about 80.1815667737.

The spelling of 515494 in words is "five hundred fifteen thousand, four hundred ninety-four".