3161651 has 2 divisors, whose sum is σ = 3161652. Its totient is φ = 3161650.

The previous prime is 3161647. The next prime is 3161681. The reversal of 3161651 is 1561613.

It is a happy number.

3161651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3161651 - 2² = 3161647 is a prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (3161611) 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, 1580825 + 1580826.

It is an arithmetic number, because the mean of its divisors is an integer number (1580826).

Almost surely, 2^3161651 is an apocalyptic number.

3161651 is a deficient number, since it is larger than the sum of its proper divisors (1).

3161651 is an equidigital number, since it uses as much as digits as its factorization.

3161651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 540, while the sum is 23.

The square root of 3161651 is about 1778.1032028541. The cubic root of 3161651 is about 146.7702304589.

The spelling of 3161651 in words is "three million, one hundred sixty-one thousand, six hundred fifty-one".