5255911 has 2 divisors, whose sum is σ = 5255912. Its totient is φ = 5255910.

The previous prime is 5255903. The next prime is 5255953. The reversal of 5255911 is 1195525.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5255911 - 2³ = 5255903 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5255911.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5255711) 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, 2627955 + 2627956.

It is an arithmetic number, because the mean of its divisors is an integer number (2627956).

Almost surely, 2^5255911 is an apocalyptic number.

5255911 is a deficient number, since it is larger than the sum of its proper divisors (1).

5255911 is an equidigital number, since it uses as much as digits as its factorization.

5255911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2250, while the sum is 28.

The square root of 5255911 is about 2292.5773705592. The cubic root of 5255911 is about 173.8665356953.

Subtracting from 5255911 its product of digits (2250), we obtain a triangular number (5253661 = T₃₂₄₁).

The spelling of 5255911 in words is "five million, two hundred fifty-five thousand, nine hundred eleven".