2521223105 has 32 divisors (see below), whose sum is σ = 3192583680. Its totient is φ = 1909267200.

The previous prime is 2521223099. The next prime is 2521223123. The reversal of 2521223105 is 5013221252.

2521223105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2521223105 - 2⁶ = 2521223041 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1101272 + ... + 1103558.

It is an arithmetic number, because the mean of its divisors is an integer number (99768240).

Almost surely, 2^2521223105 is an apocalyptic number.

It is an amenable number.

2521223105 is a deficient number, since it is larger than the sum of its proper divisors (671360575).

2521223105 is a wasteful number, since it uses less digits than its factorization.

2521223105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2521223105 is about 50211.7825315931. The cubic root of 2521223105 is about 1361.0385494617.

Adding to 2521223105 its reverse (5013221252), we get a palindrome (7534444357).

The spelling of 2521223105 in words is "two billion, five hundred twenty-one million, two hundred twenty-three thousand, one hundred five".