2164453 has 2 divisors, whose sum is σ = 2164454. Its totient is φ = 2164452.

The previous prime is 2164447. The next prime is 2164471. The reversal of 2164453 is 3544612.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1896129 + 268324 = 1377^2 + 518^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2164453 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 1 + 6 + 4⁵ + 4⁸ + 5 + 3⁶ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2164433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1082226 + 1082227.

It is an arithmetic number, because the mean of its divisors is an integer number (1082227).

2^2164453 is an apocalyptic number.

It is an amenable number.

2164453 is a deficient number, since it is larger than the sum of its proper divisors (1).

2164453 is an equidigital number, since it uses as much as digits as its factorization.

2164453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 25.

The square root of 2164453 is about 1471.2080070473. The cubic root of 2164453 is about 129.3548509622.

The spelling of 2164453 in words is "two million, one hundred sixty-four thousand, four hundred fifty-three".