2523149 has 2 divisors, whose sum is σ = 2523150. Its totient is φ = 2523148.

The previous prime is 2523139. The next prime is 2523151. The reversal of 2523149 is 9413252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2280100 + 243049 = 1510^2 + 493^2 .

It is a cyclic number.

It is not a de Polignac number, because 2523149 - 2⁴ = 2523133 is a prime.

Together with 2523151, 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 (2523139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1261574 + 1261575.

It is an arithmetic number, because the mean of its divisors is an integer number (1261575).

2^2523149 is an apocalyptic number.

It is an amenable number.

2523149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2523149 is an equidigital number, since it uses as much as digits as its factorization.

2523149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 26.

The square root of 2523149 is about 1588.4423187513. The cubic root of 2523149 is about 136.1385014925.

The spelling of 2523149 in words is "two million, five hundred twenty-three thousand, one hundred forty-nine".