2575009 has 4 divisors (see below), whose sum is σ = 2585520. Its totient is φ = 2564500.

The previous prime is 2574983. The next prime is 2575019. The reversal of 2575009 is 9005752.

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.

It is a cyclic number.

It is not a de Polignac number, because 2575009 - 2⁵ = 2574977 is a prime.

It is a Duffinian number.

2575009 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2575019) 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, 4879 + ... + 5380.

It is an arithmetic number, because the mean of its divisors is an integer number (646380).

2^2575009 is an apocalyptic number.

It is an amenable number.

2575009 is a deficient number, since it is larger than the sum of its proper divisors (10511).

2575009 is a wasteful number, since it uses less digits than its factorization.

2575009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10510.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 2575009 is about 1604.6834578820. The cubic root of 2575009 is about 137.0648990115.

The spelling of 2575009 in words is "two million, five hundred seventy-five thousand, nine".