2522543436 has 216 divisors, whose sum is σ = 8153134080. Its totient is φ = 642276864.

The previous prime is 2522543411. The next prime is 2522543437. The reversal of 2522543436 is 6343452252.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2522543436.

It is not an unprimeable number, because it can be changed into a prime (2522543437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1382821 + ... + 1384643.

Almost surely, 2^2522543436 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 2522543436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4076567040).

2522543436 is an abundant number, since it is smaller than the sum of its proper divisors (5630590644).

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

2522543436 is a wasteful number, since it uses less digits than its factorization.

2522543436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1893 (or 1871 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

The square root of 2522543436 is about 50224.9284320048. The cubic root of 2522543436 is about 1361.2760939277.

Adding to 2522543436 its reverse (6343452252), we get a palindrome (8865995688).

The spelling of 2522543436 in words is "two billion, five hundred twenty-two million, five hundred forty-three thousand, four hundred thirty-six".