2049547 has 2 divisors, whose sum is σ = 2049548. Its totient is φ = 2049546.

The previous prime is 2049533. The next prime is 2049569. The reversal of 2049547 is 7459402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2049547 - 2⁷ = 2049419 is a prime.

It is not a weakly prime, because it can be changed into another prime (2049577) 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, 1024773 + 1024774.

It is an arithmetic number, because the mean of its divisors is an integer number (1024774).

2^2049547 is an apocalyptic number.

2049547 is a deficient number, since it is larger than the sum of its proper divisors (1).

2049547 is an equidigital number, since it uses as much as digits as its factorization.

2049547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 2049547 is about 1431.6239031254. The cubic root of 2049547 is about 127.0240514929.

The spelling of 2049547 in words is "two million, forty-nine thousand, five hundred forty-seven".