1651163 has 2 divisors, whose sum is σ = 1651164. Its totient is φ = 1651162.

The previous prime is 1651151. The next prime is 1651171. The reversal of 1651163 is 3611561.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3611561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1651163 - 2⁸ = 1650907 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1651183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 825581 + 825582.

It is an arithmetic number, because the mean of its divisors is an integer number (825582).

2^1651163 is an apocalyptic number.

1651163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1651163 is an equidigital number, since it uses as much as digits as its factorization.

1651163 is an evil number, because the sum of its binary digits is even.

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

The square root of 1651163 is about 1284.9758752599. The cubic root of 1651163 is about 118.1943317035.

The spelling of 1651163 in words is "one million, six hundred fifty-one thousand, one hundred sixty-three".