45541291 has 2 divisors, whose sum is σ = 45541292. Its totient is φ = 45541290.

The previous prime is 45541289. The next prime is 45541337. The reversal of 45541291 is 19214554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45541291 - 2¹ = 45541289 is a prime.

Together with 45541289, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (45541231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22770645 + 22770646.

It is an arithmetic number, because the mean of its divisors is an integer number (22770646).

Almost surely, 2^45541291 is an apocalyptic number.

45541291 is a deficient number, since it is larger than the sum of its proper divisors (1).

45541291 is an equidigital number, since it uses as much as digits as its factorization.

45541291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 31.

The square root of 45541291 is about 6748.4287800939. The cubic root of 45541291 is about 357.1098088505.

The spelling of 45541291 in words is "forty-five million, five hundred forty-one thousand, two hundred ninety-one".