2522545542 has 24 divisors (see below), whose sum is σ = 5962380840. Its totient is φ = 764407680.

The previous prime is 2522545523. The next prime is 2522545573. The reversal of 2522545542 is 2455452252.

2522545542 is a `hidden beast` number, since 2 + 52 + 2 + 54 + 554 + 2 = 666.

It is a super-2 number, since 2×2522545542² = 12726472022928147528, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2522545497 and 2522545506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6369867 + ... + 6370262.

It is an arithmetic number, because the mean of its divisors is an integer number (248432535).

Almost surely, 2^2522545542 is an apocalyptic number.

2522545542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2522545542 is an abundant number, since it is smaller than the sum of its proper divisors (3439835298).

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

2522545542 is a wasteful number, since it uses less digits than its factorization.

2522545542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12740148 (or 12740145 counting only the distinct ones).

The product of its digits is 160000, while the sum is 36.

The square root of 2522545542 is about 50224.9493976848. The cubic root of 2522545542 is about 1361.2764727578.

Adding to 2522545542 its reverse (2455452252), we get a palindrome (4977997794).

The spelling of 2522545542 in words is "two billion, five hundred twenty-two million, five hundred forty-five thousand, five hundred forty-two".