2522523 has 4 divisors (see below), whose sum is σ = 3363368. Its totient is φ = 1681680.

The previous prime is 2522503. The next prime is 2522543. The reversal of 2522523 is 3252252.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2522503) and next prime (2522543).

It is not a de Polignac number, because 2522523 - 2⁵ = 2522491 is a prime.

It is a d-powerful number, because it can be written as 2⁶ + 5 + 2¹⁰ + 2¹² + 5⁹ + 2¹⁵ + 3¹² .

It is a D-number.

It is a Duffinian number.

2522523 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2522523.

It is not an unprimeable number, because it can be changed into a prime (2522503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420418 + ... + 420423.

It is an arithmetic number, because the mean of its divisors is an integer number (840842).

2^2522523 is an apocalyptic number.

2522523 is a deficient number, since it is larger than the sum of its proper divisors (840845).

2522523 is an equidigital number, since it uses as much as digits as its factorization.

2522523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840844.

The product of its digits is 1200, while the sum is 21.

The square root of 2522523 is about 1588.2452581387. The cubic root of 2522523 is about 136.1272417861.

Adding to 2522523 its reverse (3252252), we get a palindrome (5774775).

It can be divided in two parts, 252 and 2523, that added together give a triangular number (2775 = T₇₄).

The spelling of 2522523 in words is "two million, five hundred twenty-two thousand, five hundred twenty-three".