1441252409 has 2 divisors, whose sum is σ = 1441252410. Its totient is φ = 1441252408.

The previous prime is 1441252399. The next prime is 1441252433. The reversal of 1441252409 is 9042521441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 962736784 + 478515625 = 31028^2 + 21875^2 .

It is a cyclic number.

It is not a de Polignac number, because 1441252409 - 2¹² = 1441248313 is a prime.

It is not a weakly prime, because it can be changed into another prime (1441252499) 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, 720626204 + 720626205.

It is an arithmetic number, because the mean of its divisors is an integer number (720626205).

Almost surely, 2^1441252409 is an apocalyptic number.

It is an amenable number.

1441252409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1441252409 is an equidigital number, since it uses as much as digits as its factorization.

1441252409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1441252409 is about 37963.8302730375. The cubic root of 1441252409 is about 1129.5705181241.

The spelling of 1441252409 in words is "one billion, four hundred forty-one million, two hundred fifty-two thousand, four hundred nine".