2545211 has 2 divisors, whose sum is σ = 2545212. Its totient is φ = 2545210.

The previous prime is 2545187. The next prime is 2545237. The reversal of 2545211 is 1125452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2545211 - 2¹⁰ = 2544187 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2545241) 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, 1272605 + 1272606.

It is an arithmetic number, because the mean of its divisors is an integer number (1272606).

2^2545211 is an apocalyptic number.

2545211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545211 is an equidigital number, since it uses as much as digits as its factorization.

2545211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 400, while the sum is 20.

The square root of 2545211 is about 1595.3717435131. The cubic root of 2545211 is about 136.5341414775.

It can be divided in two parts, 25452 and 11, that multiplied together give a palindrome (279972).

The spelling of 2545211 in words is "two million, five hundred forty-five thousand, two hundred eleven".