2522545 has 16 divisors (see below), whose sum is σ = 3265920. Its totient is φ = 1863424.

The previous prime is 2522543. The next prime is 2522557. The reversal of 2522545 is 5452252.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2522545 - 2¹ = 2522543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2522543) 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 15 ways as a sum of consecutive naturals, for example, 4764 + ... + 5266.

It is an arithmetic number, because the mean of its divisors is an integer number (204120).

2^2522545 is an apocalyptic number.

It is an amenable number.

2522545 is a deficient number, since it is larger than the sum of its proper divisors (743375).

2522545 is a wasteful number, since it uses less digits than its factorization.

2522545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584.

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

The square root of 2522545 is about 1588.2521840061. The cubic root of 2522545 is about 136.1276375262.

Adding to 2522545 its reverse (5452252), we get a palindrome (7974797).

The spelling of 2522545 in words is "two million, five hundred twenty-two thousand, five hundred forty-five".