2551169 has 2 divisors, whose sum is σ = 2551170. Its totient is φ = 2551168.

The previous prime is 2551127. The next prime is 2551177. The reversal of 2551169 is 9611552.

2551169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1575025 + 976144 = 1255^2 + 988^2 .

It is a cyclic number.

It is not a de Polignac number, because 2551169 - 2¹² = 2547073 is a prime.

It is a super-2 number, since 2×2551169² = 13016926533122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2551069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275584 + 1275585.

It is an arithmetic number, because the mean of its divisors is an integer number (1275585).

2^2551169 is an apocalyptic number.

It is an amenable number.

2551169 is a deficient number, since it is larger than the sum of its proper divisors (1).

2551169 is an equidigital number, since it uses as much as digits as its factorization.

2551169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2700, while the sum is 29.

The square root of 2551169 is about 1597.2379284252. The cubic root of 2551169 is about 136.6405945374.

The spelling of 2551169 in words is "two million, five hundred fifty-one thousand, one hundred sixty-nine".