3201551 has 2 divisors, whose sum is σ = 3201552. Its totient is φ = 3201550.

The previous prime is 3201529. The next prime is 3201581. The reversal of 3201551 is 1551023.

3201551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3201551 - 2⁶ = 3201487 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3201521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600775 + 1600776.

It is an arithmetic number, because the mean of its divisors is an integer number (1600776).

Almost surely, 2^3201551 is an apocalyptic number.

3201551 is a deficient number, since it is larger than the sum of its proper divisors (1).

3201551 is an equidigital number, since it uses as much as digits as its factorization.

3201551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 3201551 is about 1789.2878471615. The cubic root of 3201551 is about 147.3850641537.

Adding to 3201551 its reverse (1551023), we get a palindrome (4752574).

The spelling of 3201551 in words is "three million, two hundred one thousand, five hundred fifty-one".