3280281 has 4 divisors (see below), whose sum is σ = 4373712. Its totient is φ = 2186852.

The previous prime is 3280279. The next prime is 3280289. The reversal of 3280281 is 1820823.

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.

It is a cyclic number.

It is not a de Polignac number, because 3280281 - 2¹ = 3280279 is a prime.

It is a super-2 number, since 2×3280281² = 21520486877922, which contains 22 as substring.

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 (3280289) 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, 546711 + ... + 546716.

It is an arithmetic number, because the mean of its divisors is an integer number (1093428).

Almost surely, 2^3280281 is an apocalyptic number.

It is an amenable number.

3280281 is a deficient number, since it is larger than the sum of its proper divisors (1093431).

3280281 is a wasteful number, since it uses less digits than its factorization.

3280281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093430.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 3280281 is about 1811.1546041131. The cubic root of 3280281 is about 148.5834196700.

The spelling of 3280281 in words is "three million, two hundred eighty thousand, two hundred eighty-one".