201054449 has 2 divisors, whose sum is σ = 201054450. Its totient is φ = 201054448.

The previous prime is 201054433. The next prime is 201054467. The reversal of 201054449 is 944450102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148230625 + 52823824 = 12175^2 + 7268^2 .

It is a cyclic number.

It is not a de Polignac number, because 201054449 - 2⁴ = 201054433 is a prime.

It is not a weakly prime, because it can be changed into another prime (201054479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100527224 + 100527225.

It is an arithmetic number, because the mean of its divisors is an integer number (100527225).

Almost surely, 2^201054449 is an apocalyptic number.

It is an amenable number.

201054449 is a deficient number, since it is larger than the sum of its proper divisors (1).

201054449 is an equidigital number, since it uses as much as digits as its factorization.

201054449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 201054449 is about 14179.3670169017. The cubic root of 201054449 is about 585.8294892709.

The spelling of 201054449 in words is "two hundred one million, fifty-four thousand, four hundred forty-nine".