3144581 has 4 divisors (see below), whose sum is σ = 3430464. Its totient is φ = 2858700.

The previous prime is 3144571. The next prime is 3144587. The reversal of 3144581 is 1854413.

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 3144581 - 2¹⁴ = 3128197 is a prime.

It is a super-2 number, since 2×3144581² = 19776779331122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3144581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144587) 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, 142925 + ... + 142946.

It is an arithmetic number, because the mean of its divisors is an integer number (857616).

Almost surely, 2^3144581 is an apocalyptic number.

It is an amenable number.

3144581 is a deficient number, since it is larger than the sum of its proper divisors (285883).

3144581 is a wasteful number, since it uses less digits than its factorization.

3144581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285882.

The product of its digits is 1920, while the sum is 26.

The square root of 3144581 is about 1773.2966474902. The cubic root of 3144581 is about 146.5056123528.

Adding to 3144581 its reverse (1854413), we get a palindrome (4998994).

The spelling of 3144581 in words is "three million, one hundred forty-four thousand, five hundred eighty-one".