2575445 has 4 divisors (see below), whose sum is σ = 3090540. Its totient is φ = 2060352.

The previous prime is 2575439. The next prime is 2575453. The reversal of 2575445 is 5445752.

2575445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 481636 + 2093809 = 694^2 + 1447^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2575445 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257540 + ... + 257549.

It is an arithmetic number, because the mean of its divisors is an integer number (772635).

2^2575445 is an apocalyptic number.

It is an amenable number.

2575445 is a deficient number, since it is larger than the sum of its proper divisors (515095).

2575445 is an equidigital number, since it uses as much as digits as its factorization.

2575445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515094.

The product of its digits is 28000, while the sum is 32.

The square root of 2575445 is about 1604.8193044701. The cubic root of 2575445 is about 137.0726345086.

The spelling of 2575445 in words is "two million, five hundred seventy-five thousand, four hundred forty-five".