2545522 has 16 divisors (see below), whose sum is σ = 4393152. Its totient is φ = 1083600.

The previous prime is 2545519. The next prime is 2545523. The reversal of 2545522 is 2255452.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2545523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1897 + ... + 2947.

It is an arithmetic number, because the mean of its divisors is an integer number (274572).

2^2545522 is an apocalyptic number.

2545522 is a deficient number, since it is larger than the sum of its proper divisors (1847630).

2545522 is a wasteful number, since it uses less digits than its factorization.

2545522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233.

The product of its digits is 4000, while the sum is 25.

The square root of 2545522 is about 1595.4692099818. The cubic root of 2545522 is about 136.5397022985.

It can be divided in two parts, 254 and 5522, that added together give a square (5776 = 76²).

The spelling of 2545522 in words is "two million, five hundred forty-five thousand, five hundred twenty-two".