514391 has 4 divisors (see below), whose sum is σ = 519792. Its totient is φ = 508992.

The previous prime is 514379. The next prime is 514399. The reversal of 514391 is 193415.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 514391 - 2¹⁰ = 513367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (514399) 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, 2555 + ... + 2748.

It is an arithmetic number, because the mean of its divisors is an integer number (129948).

2⁵¹⁴³⁹¹ is an apocalyptic number.

514391 is a deficient number, since it is larger than the sum of its proper divisors (5401).

514391 is an equidigital number, since it uses as much as digits as its factorization.

514391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5400.

The product of its digits is 540, while the sum is 23.

The square root of 514391 is about 717.2105688011. The cubic root of 514391 is about 80.1243379010.

The spelling of 514391 in words is "five hundred fourteen thousand, three hundred ninety-one".