2572009 has 8 divisors (see below), whose sum is σ = 2845152. Its totient is φ = 2305440.

The previous prime is 2572001. The next prime is 2572019. The reversal of 2572009 is 9002752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2572009 - 2³ = 2572001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2572001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 799 + ... + 2404.

It is an arithmetic number, because the mean of its divisors is an integer number (355644).

2^2572009 is an apocalyptic number.

It is an amenable number.

2572009 is a deficient number, since it is larger than the sum of its proper divisors (273143).

2572009 is a wasteful number, since it uses less digits than its factorization.

2572009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3287.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 2572009 is about 1603.7484216672. The cubic root of 2572009 is about 137.0116494259.

The spelling of 2572009 in words is "two million, five hundred seventy-two thousand, nine".