2523136 has 64 divisors (see below), whose sum is σ = 6291360. Its totient is φ = 983040.

The previous prime is 2523133. The next prime is 2523139. The reversal of 2523136 is 6313252.

It is an interprime number because it is at equal distance from previous prime (2523133) and next prime (2523139).

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (22).

Its product of digits (1080) is a multiple of the sum of its prime divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2523133) 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, 229371 + ... + 229381.

2^2523136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2523136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3145680).

2523136 is an abundant number, since it is smaller than the sum of its proper divisors (3768224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2523136 is an frugal number, since it uses more digits than its factorization.

2523136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48 (or 20 counting only the distinct ones).

The product of its digits is 1080, while the sum is 22.

The square root of 2523136 is about 1588.4382266868. The cubic root of 2523136 is about 136.1382676837.

Adding to 2523136 its reverse (6313252), we get a palindrome (8836388).

The spelling of 2523136 in words is "two million, five hundred twenty-three thousand, one hundred thirty-six".