2522645 has 8 divisors (see below), whose sum is σ = 3041280. Its totient is φ = 2008720.

The previous prime is 2522633. The next prime is 2522657. The reversal of 2522645 is 5462252.

It is an interprime number because it is at equal distance from previous prime (2522633) and next prime (2522657).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2522645 - 2⁴ = 2522629 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140 + ... + 2250.

It is an arithmetic number, because the mean of its divisors is an integer number (380160).

2^2522645 is an apocalyptic number.

It is an amenable number.

2522645 is a deficient number, since it is larger than the sum of its proper divisors (518635).

2522645 is a wasteful number, since it uses less digits than its factorization.

2522645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2355.

The product of its digits is 4800, while the sum is 26.

The square root of 2522645 is about 1588.2836648408. The cubic root of 2522645 is about 136.1294363159.

Adding to 2522645 its reverse (5462252), we get a palindrome (7984897).

The spelling of 2522645 in words is "two million, five hundred twenty-two thousand, six hundred forty-five".