1333274881 has 4 divisors (see below), whose sum is σ = 1334532564. Its totient is φ = 1332017200.

The previous prime is 1333274857. The next prime is 1333274911. The reversal of 1333274881 is 1884723331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1884723331 = 131 ⋅14387201.

It can be written as a sum of positive squares in 2 ways, for example, as 1107824656 + 225450225 = 33284^2 + 15015^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1333274881 is a prime.

It is a super-2 number, since 2×1333274881² = 3555243816611128322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1333274851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 627250 + ... + 629371.

It is an arithmetic number, because the mean of its divisors is an integer number (333633141).

Almost surely, 2^1333274881 is an apocalyptic number.

It is an amenable number.

1333274881 is a deficient number, since it is larger than the sum of its proper divisors (1257683).

1333274881 is a wasteful number, since it uses less digits than its factorization.

1333274881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257682.

The product of its digits is 96768, while the sum is 40.

The square root of 1333274881 is about 36514.0367667011. The cubic root of 1333274881 is about 1100.6263322838.

The spelling of 1333274881 in words is "one billion, three hundred thirty-three million, two hundred seventy-four thousand, eight hundred eighty-one".