509363 has 2 divisors, whose sum is σ = 509364. Its totient is φ = 509362.

The previous prime is 509359. The next prime is 509389. The reversal of 509363 is 363905.

It is an a-pointer prime, because the next prime (509389) can be obtained adding 509363 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 509363 - 2² = 509359 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (509393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254681 + 254682.

It is an arithmetic number, because the mean of its divisors is an integer number (254682).

2⁵⁰⁹³⁶³ is an apocalyptic number.

509363 is a deficient number, since it is larger than the sum of its proper divisors (1).

509363 is an equidigital number, since it uses as much as digits as its factorization.

509363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 26.

The square root of 509363 is about 713.6967142982. The cubic root of 509363 is about 79.8624197817.

The spelling of 509363 in words is "five hundred nine thousand, three hundred sixty-three".