3172901 has 2 divisors, whose sum is σ = 3172902. Its totient is φ = 3172900.

The previous prime is 3172889. The next prime is 3172907. The reversal of 3172901 is 1092713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1612900 + 1560001 = 1270^2 + 1249^2 .

It is an emirp because it is prime and its reverse (1092713) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3172901 - 2⁶ = 3172837 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3172907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1586450 + 1586451.

It is an arithmetic number, because the mean of its divisors is an integer number (1586451).

Almost surely, 2^3172901 is an apocalyptic number.

It is an amenable number.

3172901 is a deficient number, since it is larger than the sum of its proper divisors (1).

3172901 is an equidigital number, since it uses as much as digits as its factorization.

3172901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 3172901 is about 1781.2638771389. The cubic root of 3172901 is about 146.9441069690.

The spelling of 3172901 in words is "three million, one hundred seventy-two thousand, nine hundred one".