3187901 has 2 divisors, whose sum is σ = 3187902. Its totient is φ = 3187900.

The previous prime is 3187879. The next prime is 3187903. The reversal of 3187901 is 1097813.

3187901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2247001 + 940900 = 1499^2 + 970^2 .

It is a cyclic number.

It is not a de Polignac number, because 3187901 - 2¹⁰ = 3186877 is a prime.

Together with 3187903, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3187903) 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, 1593950 + 1593951.

It is an arithmetic number, because the mean of its divisors is an integer number (1593951).

Almost surely, 2^3187901 is an apocalyptic number.

It is an amenable number.

3187901 is a deficient number, since it is larger than the sum of its proper divisors (1).

3187901 is an equidigital number, since it uses as much as digits as its factorization.

3187901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 3187901 is about 1785.4694060667. The cubic root of 3187901 is about 147.1753041480.

The spelling of 3187901 in words is "three million, one hundred eighty-seven thousand, nine hundred one".