509714 has 4 divisors (see below), whose sum is σ = 764574. Its totient is φ = 254856.

The previous prime is 509699. The next prime is 509723. The reversal of 509714 is 417905.

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

It can be written as a sum of positive squares in only one way, i.e., 284089 + 225625 = 533^2 + 475^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127427 + ... + 127430.

2⁵⁰⁹⁷¹⁴ is an apocalyptic number.

509714 is a deficient number, since it is larger than the sum of its proper divisors (254860).

509714 is a wasteful number, since it uses less digits than its factorization.

509714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254859.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 509714 is about 713.9425747215. The cubic root of 509714 is about 79.8807598607.

Subtracting from 509714 its reverse (417905), we obtain a square (91809 = 303²).

The spelling of 509714 in words is "five hundred nine thousand, seven hundred fourteen".