3171667 has 2 divisors, whose sum is σ = 3171668. Its totient is φ = 3171666.

The previous prime is 3171661. The next prime is 3171671. The reversal of 3171667 is 7661713.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3171667 - 2¹⁵ = 3138899 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3171661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1585833 + 1585834.

It is an arithmetic number, because the mean of its divisors is an integer number (1585834).

Almost surely, 2^3171667 is an apocalyptic number.

3171667 is a deficient number, since it is larger than the sum of its proper divisors (1).

3171667 is an equidigital number, since it uses as much as digits as its factorization.

3171667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5292, while the sum is 31.

The square root of 3171667 is about 1780.9174601873. The cubic root of 3171667 is about 146.9250547367.

The spelling of 3171667 in words is "three million, one hundred seventy-one thousand, six hundred sixty-seven".