1333397801 has 2 divisors, whose sum is σ = 1333397802. Its totient is φ = 1333397800.

The previous prime is 1333397759. The next prime is 1333397803. The reversal of 1333397801 is 1087933331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1330425625 + 2972176 = 36475^2 + 1724^2 .

It is a cyclic number.

It is not a de Polignac number, because 1333397801 - 2¹⁰ = 1333396777 is a prime.

Together with 1333397803, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1333397803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666698900 + 666698901.

It is an arithmetic number, because the mean of its divisors is an integer number (666698901).

Almost surely, 2^1333397801 is an apocalyptic number.

It is an amenable number.

1333397801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1333397801 is an equidigital number, since it uses as much as digits as its factorization.

1333397801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 1333397801 is about 36515.7199162224. The cubic root of 1333397801 is about 1100.6601549744.

The spelling of 1333397801 in words is "one billion, three hundred thirty-three million, three hundred ninety-seven thousand, eight hundred one".