2521250206 has 16 divisors (see below), whose sum is σ = 3828291120. Its totient is φ = 1245182400.

The previous prime is 2521250203. The next prime is 2521250213. The reversal of 2521250206 is 6020521252.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521250203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180340 + ... + 193816.

It is an arithmetic number, because the mean of its divisors is an integer number (239268195).

Almost surely, 2^2521250206 is an apocalyptic number.

2521250206 is a deficient number, since it is larger than the sum of its proper divisors (1307040914).

2521250206 is a wasteful number, since it uses less digits than its factorization.

2521250206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14619.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2521250206 is about 50212.0523978058. The cubic root of 2521250206 is about 1361.0434261124.

Adding to 2521250206 its reverse (6020521252), we get a palindrome (8541771458).

The spelling of 2521250206 in words is "two billion, five hundred twenty-one million, two hundred fifty thousand, two hundred six".