2572655 has 4 divisors (see below), whose sum is σ = 3087192. Its totient is φ = 2058120.

The previous prime is 2572651. The next prime is 2572663. The reversal of 2572655 is 5562752.

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

It is not a de Polignac number, because 2572655 - 2² = 2572651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2572651) 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, 257261 + ... + 257270.

It is an arithmetic number, because the mean of its divisors is an integer number (771798).

2^2572655 is an apocalyptic number.

2572655 is a deficient number, since it is larger than the sum of its proper divisors (514537).

2572655 is an equidigital number, since it uses as much as digits as its factorization.

2572655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514536.

The product of its digits is 21000, while the sum is 32.

The square root of 2572655 is about 1603.9498121824. The cubic root of 2572655 is about 137.0231193334.

The spelling of 2572655 in words is "two million, five hundred seventy-two thousand, six hundred fifty-five".