509482 has 4 divisors (see below), whose sum is σ = 764226. Its totient is φ = 254740.

The previous prime is 509477. The next prime is 509513. The reversal of 509482 is 284905.

It is a happy number.

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., 373321 + 136161 = 611^2 + 369^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 509482.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127369 + ... + 127372.

2⁵⁰⁹⁴⁸² is an apocalyptic number.

509482 is a deficient number, since it is larger than the sum of its proper divisors (254744).

509482 is a wasteful number, since it uses less digits than its factorization.

509482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254743.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 509482 is about 713.7800781753. The cubic root of 509482 is about 79.8686385870.

The spelling of 509482 in words is "five hundred nine thousand, four hundred eighty-two".