2572209 has 8 divisors (see below), whose sum is σ = 3810720. Its totient is φ = 1714788.

The previous prime is 2572183. The next prime is 2572211. The reversal of 2572209 is 9022752.

It is a happy number.

It is not a de Polignac number, because 2572209 - 2⁷ = 2572081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 95267 = 2572209 / (2 + 5 + 7 + 2 + 2 + 0 + 9).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2572279) 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, 47607 + ... + 47660.

It is an arithmetic number, because the mean of its divisors is an integer number (476340).

2^2572209 is an apocalyptic number.

It is an amenable number.

2572209 is a deficient number, since it is larger than the sum of its proper divisors (1238511).

2572209 is an equidigital number, since it uses as much as digits as its factorization.

2572209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95276 (or 95270 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 2572209 is about 1603.8107743746. The cubic root of 2572209 is about 137.0152006861.

The spelling of 2572209 in words is "two million, five hundred seventy-two thousand, two hundred nine".