2570655 has 24 divisors (see below), whose sum is σ = 4376592. Its totient is φ = 1288192.

The previous prime is 2570651. The next prime is 2570657. The reversal of 2570655 is 5560752.

It is not a de Polignac number, because 2570655 - 2² = 2570651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2570651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4039 + ... + 4631.

It is an arithmetic number, because the mean of its divisors is an integer number (182358).

2^2570655 is an apocalyptic number.

2570655 is a deficient number, since it is larger than the sum of its proper divisors (1805937).

2570655 is a wasteful number, since it uses less digits than its factorization.

2570655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635 (or 618 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 2570655 is about 1603.3262300605. The cubic root of 2570655 is about 136.9876025509.

The spelling of 2570655 in words is "two million, five hundred seventy thousand, six hundred fifty-five".