2521201205 has 16 divisors (see below), whose sum is σ = 3070470144. Its totient is φ = 1987130880.

The previous prime is 2521201147. The next prime is 2521201229. The reversal of 2521201205 is 5021021252.

It is a happy number.

2521201205 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 2521201205 - 2⁸ = 2521200949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96500 + ... + 119810.

It is an arithmetic number, because the mean of its divisors is an integer number (191904384).

Almost surely, 2^2521201205 is an apocalyptic number.

It is an amenable number.

2521201205 is a deficient number, since it is larger than the sum of its proper divisors (549268939).

2521201205 is a wasteful number, since it uses less digits than its factorization.

2521201205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23636.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 2521201205 is about 50211.5644548146. The cubic root of 2521201205 is about 1361.0346086719.

Adding to 2521201205 its reverse (5021021252), we get a palindrome (7542222457).

The spelling of 2521201205 in words is "two billion, five hundred twenty-one million, two hundred one thousand, two hundred five".