375009 has 4 divisors (see below), whose sum is σ = 500016. Its totient is φ = 250004.

The previous prime is 374993. The next prime is 375017. The reversal of 375009 is 900573.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 900573 = 3 ⋅300191.

It is a cyclic number.

It is not a de Polignac number, because 375009 - 2⁴ = 374993 is a prime.

It is an Ulam number.

It is a D-number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 375009.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 375009.

It is not an unprimeable number, because it can be changed into a prime (375019) 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, 62499 + ... + 62504.

It is an arithmetic number, because the mean of its divisors is an integer number (125004).

2³⁷⁵⁰⁰⁹ is an apocalyptic number.

It is an amenable number.

375009 is a deficient number, since it is larger than the sum of its proper divisors (125007).

375009 is a wasteful number, since it uses less digits than its factorization.

375009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125006.

The product of its (nonzero) digits is 945, while the sum is 24.

The square root of 375009 is about 612.3797841209. The cubic root of 375009 is about 72.1130554106.

The spelling of 375009 in words is "three hundred seventy-five thousand, nine".