2001453317 has 2 divisors, whose sum is σ = 2001453318. Its totient is φ = 2001453316.

The previous prime is 2001453211. The next prime is 2001453347. The reversal of 2001453317 is 7133541002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1985058916 + 16394401 = 44554^2 + 4049^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2001453317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001453347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000726658 + 1000726659.

It is an arithmetic number, because the mean of its divisors is an integer number (1000726659).

Almost surely, 2^2001453317 is an apocalyptic number.

It is an amenable number.

2001453317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001453317 is an equidigital number, since it uses as much as digits as its factorization.

2001453317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 2001453317 is about 44737.6051773002. The cubic root of 2001453317 is about 1260.2261534515.

Adding to 2001453317 its reverse (7133541002), we get a palindrome (9134994319).

The spelling of 2001453317 in words is "two billion, one million, four hundred fifty-three thousand, three hundred seventeen".