3261149 has 4 divisors (see below), whose sum is σ = 3271164. Its totient is φ = 3251136.

The previous prime is 3261133. The next prime is 3261151. The reversal of 3261149 is 9411623.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1545049 + 1716100 = 1243^2 + 1310^2 .

It is a cyclic number.

It is not a de Polignac number, because 3261149 - 2⁴ = 3261133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3261119) 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, 4502 + ... + 5175.

It is an arithmetic number, because the mean of its divisors is an integer number (817791).

Almost surely, 2^3261149 is an apocalyptic number.

It is an amenable number.

3261149 is a deficient number, since it is larger than the sum of its proper divisors (10015).

3261149 is an equidigital number, since it uses as much as digits as its factorization.

3261149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10014.

The product of its digits is 1296, while the sum is 26.

The square root of 3261149 is about 1805.8651666168. The cubic root of 3261149 is about 148.2939889198.

The spelling of 3261149 in words is "three million, two hundred sixty-one thousand, one hundred forty-nine".