3175661 has 2 divisors, whose sum is σ = 3175662. Its totient is φ = 3175660.

The previous prime is 3175643. The next prime is 3175687. The reversal of 3175661 is 1665713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2910436 + 265225 = 1706^2 + 515^2 .

It is a cyclic number.

It is not a de Polignac number, because 3175661 - 2⁶ = 3175597 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 (3175691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1587830 + 1587831.

It is an arithmetic number, because the mean of its divisors is an integer number (1587831).

Almost surely, 2^3175661 is an apocalyptic number.

It is an amenable number.

3175661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3175661 is an equidigital number, since it uses as much as digits as its factorization.

3175661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 29.

The square root of 3175661 is about 1782.0384395405. The cubic root of 3175661 is about 146.9867018683.

The spelling of 3175661 in words is "three million, one hundred seventy-five thousand, six hundred sixty-one".