2180963 has 2 divisors, whose sum is σ = 2180964. Its totient is φ = 2180962.

The previous prime is 2180957. The next prime is 2180993. The reversal of 2180963 is 3690812.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2180963 - 2¹⁰ = 2179939 is a prime.

It is not a weakly prime, because it can be changed into another prime (2180923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1090481 + 1090482.

It is an arithmetic number, because the mean of its divisors is an integer number (1090482).

2^2180963 is an apocalyptic number.

2180963 is a deficient number, since it is larger than the sum of its proper divisors (1).

2180963 is an equidigital number, since it uses as much as digits as its factorization.

2180963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 2180963 is about 1476.8083829665. The cubic root of 2180963 is about 129.6829155877.

The spelling of 2180963 in words is "two million, one hundred eighty thousand, nine hundred sixty-three".