3266540521 has 2 divisors, whose sum is σ = 3266540522. Its totient is φ = 3266540520.

The previous prime is 3266540509. The next prime is 3266540533. The reversal of 3266540521 is 1250456623.

It is a balanced prime because it is at equal distance from previous prime (3266540509) and next prime (3266540533).

It can be written as a sum of positive squares in only one way, i.e., 1837322496 + 1429218025 = 42864^2 + 37805^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3266540521 is a prime.

It is not a weakly prime, because it can be changed into another prime (3266540551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1633270260 + 1633270261.

It is an arithmetic number, because the mean of its divisors is an integer number (1633270261).

Almost surely, 2^3266540521 is an apocalyptic number.

It is an amenable number.

3266540521 is a deficient number, since it is larger than the sum of its proper divisors (1).

3266540521 is an equidigital number, since it uses as much as digits as its factorization.

3266540521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 3266540521 is about 57153.6571095849. The cubic root of 3266540521 is about 1483.7566667101.

The spelling of 3266540521 in words is "three billion, two hundred sixty-six million, five hundred forty thousand, five hundred twenty-one".