3281001 has 4 divisors (see below), whose sum is σ = 4374672. Its totient is φ = 2187332.

The previous prime is 3280969. The next prime is 3281011. The reversal of 3281001 is 1001823.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1001823 = 3 ⋅333941.

It is a cyclic number.

It is not a de Polignac number, because 3281001 - 2⁵ = 3280969 is a prime.

It is a D-number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (3281011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546831 + ... + 546836.

It is an arithmetic number, because the mean of its divisors is an integer number (1093668).

Almost surely, 2^3281001 is an apocalyptic number.

It is an amenable number.

3281001 is a deficient number, since it is larger than the sum of its proper divisors (1093671).

3281001 is a wasteful number, since it uses less digits than its factorization.

3281001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093670.

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

The square root of 3281001 is about 1811.3533614400. The cubic root of 3281001 is about 148.5942899010.

Adding to 3281001 its reverse (1001823), we get a palindrome (4282824).

The spelling of 3281001 in words is "three million, two hundred eighty-one thousand, one".