3143591 has 4 divisors (see below), whose sum is σ = 3429384. Its totient is φ = 2857800.

The previous prime is 3143587. The next prime is 3143641. The reversal of 3143591 is 1953413.

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

It is not a de Polignac number, because 3143591 - 2² = 3143587 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3143591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3143551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142880 + ... + 142901.

It is an arithmetic number, because the mean of its divisors is an integer number (857346).

Almost surely, 2^3143591 is an apocalyptic number.

3143591 is a deficient number, since it is larger than the sum of its proper divisors (285793).

3143591 is a wasteful number, since it uses less digits than its factorization.

3143591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285792.

The product of its digits is 1620, while the sum is 26.

The square root of 3143591 is about 1773.0174844034. The cubic root of 3143591 is about 146.4902360828.

The spelling of 3143591 in words is "three million, one hundred forty-three thousand, five hundred ninety-one".