509025343 has 4 divisors (see below), whose sum is σ = 511869240. Its totient is φ = 506181448.

The previous prime is 509025311. The next prime is 509025347. The reversal of 509025343 is 343520905.

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 509025343 - 2⁵ = 509025311 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 (509025347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1421680 + ... + 1422037.

It is an arithmetic number, because the mean of its divisors is an integer number (127967310).

Almost surely, 2^509025343 is an apocalyptic number.

509025343 is a deficient number, since it is larger than the sum of its proper divisors (2843897).

509025343 is a wasteful number, since it uses less digits than its factorization.

509025343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2843896.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 509025343 is about 22561.5899927288. The cubic root of 509025343 is about 798.4476893419.

The spelling of 509025343 in words is "five hundred nine million, twenty-five thousand, three hundred forty-three".