3270661281 has 16 divisors (see below), whose sum is σ = 4862557120. Its totient is φ = 2172731040.

The previous prime is 3270661259. The next prime is 3270661301. The reversal of 3270661281 is 1821660723.

3270661281 is a `hidden beast` number, since 32 + 7 + 0 + 6 + 612 + 8 + 1 = 666.

It is not a de Polignac number, because 3270661281 - 2¹⁵ = 3270628513 is a prime.

It is a super-2 number, since 2×3270661281² = 21394450430065121922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3270661201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206380 + ... + 221661.

It is an arithmetic number, because the mean of its divisors is an integer number (303909820).

Almost surely, 2^3270661281 is an apocalyptic number.

It is an amenable number.

3270661281 is a deficient number, since it is larger than the sum of its proper divisors (1591895839).

3270661281 is a wasteful number, since it uses less digits than its factorization.

3270661281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428333 (or 428327 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 3270661281 is about 57189.6955840823. The cubic root of 3270661281 is about 1484.3803271083.

The spelling of 3270661281 in words is "three billion, two hundred seventy million, six hundred sixty-one thousand, two hundred eighty-one".