1333800001 has 4 divisors (see below), whose sum is σ = 1335635392. Its totient is φ = 1331964612.

The previous prime is 1333799989. The next prime is 1333800011. The reversal of 1333800001 is 1000083331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1000083331 = 13 ⋅76929487.

It is a cyclic number.

It is not a de Polignac number, because 1333800001 - 2¹⁵ = 1333767233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1333800011) 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 in 3 ways as a sum of consecutive naturals, for example, 916605 + ... + 918058.

It is an arithmetic number, because the mean of its divisors is an integer number (333908848).

Almost surely, 2^1333800001 is an apocalyptic number.

It is an amenable number.

1333800001 is a deficient number, since it is larger than the sum of its proper divisors (1835391).

1333800001 is an equidigital number, since it uses as much as digits as its factorization.

1333800001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835390.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1333800001 is about 36521.2267181704. The cubic root of 1333800001 is about 1100.7708098772.

Adding to 1333800001 its reverse (1000083331), we get a palindrome (2333883332).

The spelling of 1333800001 in words is "one billion, three hundred thirty-three million, eight hundred thousand, one".