2522521240 has 16 divisors (see below), whose sum is σ = 5675672880. Its totient is φ = 1009008480.

The previous prime is 2522521229. The next prime is 2522521307. The reversal of 2522521240 is 421252252.

2522521240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2522521240² = 12726226812502275200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31531476 + ... + 31531555.

It is an arithmetic number, because the mean of its divisors is an integer number (354729555).

Almost surely, 2^2522521240 is an apocalyptic number.

2522521240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2522521240 is an abundant number, since it is smaller than the sum of its proper divisors (3153151640).

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

2522521240 is a wasteful number, since it uses less digits than its factorization.

2522521240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63063042 (or 63063038 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2522521240 is about 50224.7074655493. The cubic root of 2522521240 is about 1361.2721012679.

Adding to 2522521240 its reverse (421252252), we get a palindrome (2943773492).

The spelling of 2522521240 in words is "two billion, five hundred twenty-two million, five hundred twenty-one thousand, two hundred forty".