2521090026 has 48 divisors (see below), whose sum is σ = 6722911104. Its totient is φ = 664902432.

The previous prime is 2521089997. The next prime is 2521090027. The reversal of 2521090026 is 6200901252.

2521090026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2521090027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 767926 + ... + 771201.

It is an arithmetic number, because the mean of its divisors is an integer number (140060648).

Almost surely, 2^2521090026 is an apocalyptic number.

2521090026 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2521090026 is an abundant number, since it is smaller than the sum of its proper divisors (4201821078).

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

2521090026 is a wasteful number, since it uses less digits than its factorization.

2521090026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539155 (or 1539152 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 2521090026 is about 50210.4573370926. The cubic root of 2521090026 is about 1361.0146022440.

Adding to 2521090026 its reverse (6200901252), we get a palindrome (8721991278).

The spelling of 2521090026 in words is "two billion, five hundred twenty-one million, ninety thousand, twenty-six".