3201081 has 16 divisors (see below), whose sum is σ = 4630080. Its totient is φ = 1955520.

The previous prime is 3201067. The next prime is 3201103. The reversal of 3201081 is 1801023.

It is a happy number.

It is not a de Polignac number, because 3201081 - 2¹¹ = 3199033 is a prime.

It is a super-2 number, since 2×3201081² = 20493839137122, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3201081.

It is not an unprimeable number, because it can be changed into a prime (3201181) 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, 8035 + ... + 8423.

It is an arithmetic number, because the mean of its divisors is an integer number (289380).

Almost surely, 2^3201081 is an apocalyptic number.

It is an amenable number.

3201081 is a deficient number, since it is larger than the sum of its proper divisors (1428999).

3201081 is a wasteful number, since it uses less digits than its factorization.

3201081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 3201081 is about 1789.1565051722. The cubic root of 3201081 is about 147.3778515693.

The spelling of 3201081 in words is "three million, two hundred one thousand, eighty-one".