1333381253 has 2 divisors, whose sum is σ = 1333381254. Its totient is φ = 1333381252.

The previous prime is 1333381243. The next prime is 1333381279. The reversal of 1333381253 is 3521833331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1332031009 + 1350244 = 36497^2 + 1162^2 .

It is a cyclic number.

It is not a de Polignac number, because 1333381253 - 2²⁸ = 1064945797 is a prime.

It is a super-3 number, since 3×1333381253³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1333381243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666690626 + 666690627.

It is an arithmetic number, because the mean of its divisors is an integer number (666690627).

Almost surely, 2^1333381253 is an apocalyptic number.

It is an amenable number.

1333381253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1333381253 is an equidigital number, since it uses as much as digits as its factorization.

1333381253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 32.

The square root of 1333381253 is about 36515.4933281751. The cubic root of 1333381253 is about 1100.6556017447.

The spelling of 1333381253 in words is "one billion, three hundred thirty-three million, three hundred eighty-one thousand, two hundred fifty-three".