509452 has 6 divisors (see below), whose sum is σ = 891548. Its totient is φ = 254724.

The previous prime is 509449. The next prime is 509477. The reversal of 509452 is 254905.

It is an alternating number because its digits alternate between odd and even.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63678 + ... + 63685.

2⁵⁰⁹⁴⁵² is an apocalyptic number.

It is an amenable number.

509452 is a deficient number, since it is larger than the sum of its proper divisors (382096).

509452 is a wasteful number, since it uses less digits than its factorization.

509452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127367 (or 127365 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 509452 is about 713.7590629897. The cubic root of 509452 is about 79.8670709122.

It can be divided in two parts, 509 and 452, that added together give a square (961 = 31²).

The spelling of 509452 in words is "five hundred nine thousand, four hundred fifty-two".