3250891 has 4 divisors (see below), whose sum is σ = 3715312. Its totient is φ = 2786472.

The previous prime is 3250853. The next prime is 3250901. The reversal of 3250891 is 1980523.

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

It is a cyclic number.

It is not a de Polignac number, because 3250891 - 2¹⁵ = 3218123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3250801) 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, 232200 + ... + 232213.

It is an arithmetic number, because the mean of its divisors is an integer number (928828).

Almost surely, 2^3250891 is an apocalyptic number.

3250891 is a deficient number, since it is larger than the sum of its proper divisors (464421).

3250891 is an equidigital number, since it uses as much as digits as its factorization.

3250891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464420.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 3250891 is about 1803.0227397346. The cubic root of 3250891 is about 148.1383385117.

The spelling of 3250891 in words is "three million, two hundred fifty thousand, eight hundred ninety-one".