514309 has 2 divisors, whose sum is σ = 514310. Its totient is φ = 514308.

The previous prime is 514289. The next prime is 514313. The reversal of 514309 is 903415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 422500 + 91809 = 650^2 + 303^2 .

It is a cyclic number.

It is not a de Polignac number, because 514309 - 2⁵ = 514277 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 514309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (514379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257154 + 257155.

It is an arithmetic number, because the mean of its divisors is an integer number (257155).

2⁵¹⁴³⁰⁹ is an apocalyptic number.

It is an amenable number.

514309 is a deficient number, since it is larger than the sum of its proper divisors (1).

514309 is an equidigital number, since it uses as much as digits as its factorization.

514309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 514309 is about 717.1534006055. The cubic root of 514309 is about 80.1200800861.

The spelling of 514309 in words is "five hundred fourteen thousand, three hundred nine".