2570445 has 18 divisors (see below), whose sum is σ = 4474158. Its totient is φ = 1365168.

The previous prime is 2570441. The next prime is 2570459. The reversal of 2570445 is 5440752.

It can be written as a sum of positive squares in only one way, i.e., 2056356 + 514089 = 1434^2 + 717^2 .

It is not a de Polignac number, because 2570445 - 2² = 2570441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2570441) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10636 + ... + 10874.

2^2570445 is an apocalyptic number.

It is an amenable number.

2570445 is a deficient number, since it is larger than the sum of its proper divisors (1903713).

2570445 is an equidigital number, since it uses as much as digits as its factorization.

2570445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 2570445 is about 1603.2607398673. The cubic root of 2570445 is about 136.9838722202.

It can be divided in two parts, 257044 and 5, that added together give a square (257049 = 507²).

The spelling of 2570445 in words is "two million, five hundred seventy thousand, four hundred forty-five".