2552442149 has 2 divisors, whose sum is σ = 2552442150. Its totient is φ = 2552442148.

The previous prime is 2552442143. The next prime is 2552442161. The reversal of 2552442149 is 9412442552.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2191176100 + 361266049 = 46810^2 + 19007^2 .

It is a cyclic number.

It is not a de Polignac number, because 2552442149 - 2²⁰ = 2551393573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2552442143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276221074 + 1276221075.

It is an arithmetic number, because the mean of its divisors is an integer number (1276221075).

Almost surely, 2^2552442149 is an apocalyptic number.

It is an amenable number.

2552442149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2552442149 is an equidigital number, since it uses as much as digits as its factorization.

2552442149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 115200, while the sum is 38.

The square root of 2552442149 is about 50521.6997833604. The cubic root of 2552442149 is about 1366.6332070796.

The spelling of 2552442149 in words is "two billion, five hundred fifty-two million, four hundred forty-two thousand, one hundred forty-nine".