2523105 has 48 divisors (see below), whose sum is σ = 4979520. Its totient is φ = 1171584.

The previous prime is 2523083. The next prime is 2523107. The reversal of 2523105 is 5013252.

It is a happy number.

It is not a de Polignac number, because 2523105 - 2⁶ = 2523041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2523107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11002 + ... + 11228.

It is an arithmetic number, because the mean of its divisors is an integer number (103740).

2^2523105 is an apocalyptic number.

It is an amenable number.

2523105 is a deficient number, since it is larger than the sum of its proper divisors (2456415).

2523105 is a wasteful number, since it uses less digits than its factorization.

2523105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 2523105 is about 1588.4284686444. The cubic root of 2523105 is about 136.1377101363.

Adding to 2523105 its reverse (5013252), we get a palindrome (7536357).

It can be divided in two parts, 2523 and 105, that added together give a triangular number (2628 = T₇₂).

The spelling of 2523105 in words is "two million, five hundred twenty-three thousand, one hundred five".