2251547 has 2 divisors, whose sum is σ = 2251548. Its totient is φ = 2251546.

The previous prime is 2251517. The next prime is 2251553. The reversal of 2251547 is 7451522.

2251547 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 is a cyclic number.

It is not a de Polignac number, because 2251547 - 2¹⁶ = 2186011 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2251507) 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, 1125773 + 1125774.

It is an arithmetic number, because the mean of its divisors is an integer number (1125774).

2^2251547 is an apocalyptic number.

2251547 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251547 is an equidigital number, since it uses as much as digits as its factorization.

2251547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2800, while the sum is 26.

The square root of 2251547 is about 1500.5155780598. The cubic root of 2251547 is about 131.0670945853.

The spelling of 2251547 in words is "two million, two hundred fifty-one thousand, five hundred forty-seven".