3143551 has 2 divisors, whose sum is σ = 3143552. Its totient is φ = 3143550.

The previous prime is 3143549. The next prime is 3143561. The reversal of 3143551 is 1553413.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1553413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3143551 - 2¹ = 3143549 is a prime.

Together with 3143549, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3143561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1571775 + 1571776.

It is an arithmetic number, because the mean of its divisors is an integer number (1571776).

Almost surely, 2^3143551 is an apocalyptic number.

3143551 is a deficient number, since it is larger than the sum of its proper divisors (1).

3143551 is an equidigital number, since it uses as much as digits as its factorization.

3143551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 900, while the sum is 22.

The square root of 3143551 is about 1773.0062041629. The cubic root of 3143551 is about 146.4896147515.

Subtracting from 3143551 its sum of digits (22), we obtain a square (3143529 = 1773²).

Adding to 3143551 its reverse (1553413), we get a palindrome (4696964).

The spelling of 3143551 in words is "three million, one hundred forty-three thousand, five hundred fifty-one".