3261340133 has 2 divisors, whose sum is σ = 3261340134. Its totient is φ = 3261340132.

The previous prime is 3261340127. The next prime is 3261340183. The reversal of 3261340133 is 3310431623.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1779321124 + 1482019009 = 42182^2 + 38497^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3261340133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3261340183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1630670066 + 1630670067.

It is an arithmetic number, because the mean of its divisors is an integer number (1630670067).

Almost surely, 2^3261340133 is an apocalyptic number.

It is an amenable number.

3261340133 is a deficient number, since it is larger than the sum of its proper divisors (1).

3261340133 is an equidigital number, since it uses as much as digits as its factorization.

3261340133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 3261340133 is about 57108.1441915249. The cubic root of 3261340133 is about 1482.9688598885.

Adding to 3261340133 its reverse (3310431623), we get a palindrome (6571771756).

The spelling of 3261340133 in words is "three billion, two hundred sixty-one million, three hundred forty thousand, one hundred thirty-three".