2164963 has 2 divisors, whose sum is σ = 2164964. Its totient is φ = 2164962.

The previous prime is 2164927. The next prime is 2164979. The reversal of 2164963 is 3694612.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2164963 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 1 + 6 + 4⁸ + 9³ + 6⁴ + 3⁵ .

It is not a weakly prime, because it can be changed into another prime (2161963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1082481 + 1082482.

It is an arithmetic number, because the mean of its divisors is an integer number (1082482).

2^2164963 is an apocalyptic number.

2164963 is a deficient number, since it is larger than the sum of its proper divisors (1).

2164963 is an equidigital number, since it uses as much as digits as its factorization.

2164963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 31.

The square root of 2164963 is about 1471.3813237907. The cubic root of 2164963 is about 129.3650099251.

It can be divided in two parts, 21649 and 63, that added together give a palindrome (21712).

The spelling of 2164963 in words is "two million, one hundred sixty-four thousand, nine hundred sixty-three".