3117901 has 2 divisors, whose sum is σ = 3117902. Its totient is φ = 3117900.

The previous prime is 3117899. The next prime is 3117911. The reversal of 3117901 is 1097113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2253001 + 864900 = 1501^2 + 930^2 .

It is an emirp because it is prime and its reverse (1097113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3117901 - 2¹ = 3117899 is a prime.

Together with 3117899, 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 (3117911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1558950 + 1558951.

It is an arithmetic number, because the mean of its divisors is an integer number (1558951).

Almost surely, 2^3117901 is an apocalyptic number.

It is an amenable number.

3117901 is a deficient number, since it is larger than the sum of its proper divisors (1).

3117901 is an equidigital number, since it uses as much as digits as its factorization.

3117901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189, while the sum is 22.

The square root of 3117901 is about 1765.7579109266. The cubic root of 3117901 is about 146.0900957640.

It can be divided in two parts, 31 and 17901, that multiplied together give a triangular number (554931 = T₁₀₅₃).

The spelling of 3117901 in words is "three million, one hundred seventeen thousand, nine hundred one".