2572897 has 4 divisors (see below), whose sum is σ = 2595780. Its totient is φ = 2550016.

The previous prime is 2572877. The next prime is 2572937. The reversal of 2572897 is 7982752.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41616 + 2531281 = 204^2 + 1591^2 .

It is a cyclic number.

It is not a de Polignac number, because 2572897 - 2⁷ = 2572769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2572877) 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, 11272 + ... + 11497.

It is an arithmetic number, because the mean of its divisors is an integer number (648945).

2^2572897 is an apocalyptic number.

It is an amenable number.

2572897 is a deficient number, since it is larger than the sum of its proper divisors (22883).

2572897 is a wasteful number, since it uses less digits than its factorization.

2572897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22882.

The product of its digits is 70560, while the sum is 40.

The square root of 2572897 is about 1604.0252491778. The cubic root of 2572897 is about 137.0274156156.

The spelling of 2572897 in words is "two million, five hundred seventy-two thousand, eight hundred ninety-seven".