2523170636 has 48 divisors (see below), whose sum is σ = 5308934400. Its totient is φ = 1026355008.

The previous prime is 2523170609. The next prime is 2523170659. The reversal of 2523170636 is 6360713252.

It is a junction number, because it is equal to n+sod(n) for n = 2523170596 and 2523170605.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21575 + ... + 74241.

It is an arithmetic number, because the mean of its divisors is an integer number (110602800).

Almost surely, 2^2523170636 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 2523170636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2654467200).

2523170636 is an abundant number, since it is smaller than the sum of its proper divisors (2785763764).

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

2523170636 is a wasteful number, since it uses less digits than its factorization.

2523170636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52766 (or 52764 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 2523170636 is about 50231.1719552710. The cubic root of 2523170636 is about 1361.3889062057.

Adding to 2523170636 its reverse (6360713252), we get a palindrome (8883883888).

The spelling of 2523170636 in words is "two billion, five hundred twenty-three million, one hundred seventy thousand, six hundred thirty-six".