3281455 has 4 divisors (see below), whose sum is σ = 3937752. Its totient is φ = 2625160.

The previous prime is 3281449. The next prime is 3281461. The reversal of 3281455 is 5541823.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (3281449) and next prime (3281461).

It is not a de Polignac number, because 3281455 - 2²¹ = 1184303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328141 + ... + 328150.

It is an arithmetic number, because the mean of its divisors is an integer number (984438).

Almost surely, 2^3281455 is an apocalyptic number.

3281455 is a deficient number, since it is larger than the sum of its proper divisors (656297).

3281455 is an equidigital number, since it uses as much as digits as its factorization.

3281455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656296.

The product of its digits is 4800, while the sum is 28.

The square root of 3281455 is about 1811.4786777658. The cubic root of 3281455 is about 148.6011433680.

The spelling of 3281455 in words is "three million, two hundred eighty-one thousand, four hundred fifty-five".