509372 has 6 divisors (see below), whose sum is σ = 891408. Its totient is φ = 254684.

The previous prime is 509363. The next prime is 509389. The reversal of 509372 is 273905.

It is a congruent number.

It is an unprimeable number.

509372 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63668 + ... + 63675.

It is an arithmetic number, because the mean of its divisors is an integer number (148568).

2⁵⁰⁹³⁷² is an apocalyptic number.

It is an amenable number.

509372 is a deficient number, since it is larger than the sum of its proper divisors (382036).

509372 is a wasteful number, since it uses less digits than its factorization.

509372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127347 (or 127345 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 509372 is about 713.7030194696. The cubic root of 509372 is about 79.8628901453.

The spelling of 509372 in words is "five hundred nine thousand, three hundred seventy-two".