2553139 has 2 divisors, whose sum is σ = 2553140. Its totient is φ = 2553138.

The previous prime is 2553119. The next prime is 2553149. The reversal of 2553139 is 9313552.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2553139 is a prime.

2553139 is a lucky number.

It is equal to p₁₈₆₆₇₀ and since 2553139 and 186670 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (2553119) 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, 1276569 + 1276570.

It is an arithmetic number, because the mean of its divisors is an integer number (1276570).

2^2553139 is an apocalyptic number.

2553139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2553139 is an equidigital number, since it uses as much as digits as its factorization.

2553139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4050, while the sum is 28.

The square root of 2553139 is about 1597.8544990080. The cubic root of 2553139 is about 136.6757565505.

The spelling of 2553139 in words is "two million, five hundred fifty-three thousand, one hundred thirty-nine".