3261143 has 8 divisors (see below), whose sum is σ = 3414528. Its totient is φ = 3111264.

The previous prime is 3261133. The next prime is 3261151. The reversal of 3261143 is 3411623.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3261143 - 2¹⁰ = 3260119 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 (3261113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1130 + ... + 2792.

It is an arithmetic number, because the mean of its divisors is an integer number (426816).

Almost surely, 2^3261143 is an apocalyptic number.

3261143 is a deficient number, since it is larger than the sum of its proper divisors (153385).

3261143 is a wasteful number, since it uses less digits than its factorization.

3261143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753.

The product of its digits is 432, while the sum is 20.

The square root of 3261143 is about 1805.8635053625. The cubic root of 3261143 is about 148.2938979739.

Adding to 3261143 its reverse (3411623), we get a palindrome (6672766).

The spelling of 3261143 in words is "three million, two hundred sixty-one thousand, one hundred forty-three".