2553149 has 2 divisors, whose sum is σ = 2553150. Its totient is φ = 2553148.

The previous prime is 2553139. The next prime is 2553151. The reversal of 2553149 is 9413552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2088025 + 465124 = 1445^2 + 682^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2553149 is a prime.

Together with 2553151, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₁₈₆₆₇₁ and since 2553149 and 186671 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2553119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276574 + 1276575.

It is an arithmetic number, because the mean of its divisors is an integer number (1276575).

2^2553149 is an apocalyptic number.

It is an amenable number.

2553149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2553149 is an equidigital number, since it uses as much as digits as its factorization.

2553149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 29.

The square root of 2553149 is about 1597.8576282010. The cubic root of 2553149 is about 136.6759349918.

The spelling of 2553149 in words is "two million, five hundred fifty-three thousand, one hundred forty-nine".