2521880189 has 2 divisors, whose sum is σ = 2521880190. Its totient is φ = 2521880188.

The previous prime is 2521880177. The next prime is 2521880191. The reversal of 2521880189 is 9810881252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2485820164 + 36060025 = 49858^2 + 6005^2 .

It is a cyclic number.

It is not a de Polignac number, because 2521880189 - 2⁴ = 2521880173 is a prime.

Together with 2521880191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2521880689) 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 as a sum of consecutive naturals, namely, 1260940094 + 1260940095.

It is an arithmetic number, because the mean of its divisors is an integer number (1260940095).

Almost surely, 2^2521880189 is an apocalyptic number.

It is an amenable number.

2521880189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2521880189 is an equidigital number, since it uses as much as digits as its factorization.

2521880189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92160, while the sum is 44.

The square root of 2521880189 is about 50218.3252309354. The cubic root of 2521880189 is about 1361.1567776570.

The spelling of 2521880189 in words is "two billion, five hundred twenty-one million, eight hundred eighty thousand, one hundred eighty-nine".