265383133 has 2 divisors, whose sum is σ = 265383134. Its totient is φ = 265383132.

The previous prime is 265383113. The next prime is 265383193. The reversal of 265383133 is 331383562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164942649 + 100440484 = 12843^2 + 10022^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-265383133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265383113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132691566 + 132691567.

It is an arithmetic number, because the mean of its divisors is an integer number (132691567).

Almost surely, 2^265383133 is an apocalyptic number.

It is an amenable number.

265383133 is a deficient number, since it is larger than the sum of its proper divisors (1).

265383133 is an equidigital number, since it uses as much as digits as its factorization.

265383133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 34.

The square root of 265383133 is about 16290.5841822815. The cubic root of 265383133 is about 642.6252299716.

The spelling of 265383133 in words is "two hundred sixty-five million, three hundred eighty-three thousand, one hundred thirty-three".