2623217 has 2 divisors, whose sum is σ = 2623218. Its totient is φ = 2623216.

The previous prime is 2623207. The next prime is 2623223. The reversal of 2623217 is 7123262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2262016 + 361201 = 1504^2 + 601^2 .

It is a cyclic number.

It is not a de Polignac number, because 2623217 - 2¹⁴ = 2606833 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 6⁴ + 2¹⁹ + 3² + 2²¹ + 1 + 7³ .

It is a junction number, because it is equal to n+sod(n) for n = 2623192 and 2623201.

It is not a weakly prime, because it can be changed into another prime (2623207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1311608 + 1311609.

It is an arithmetic number, because the mean of its divisors is an integer number (1311609).

2^2623217 is an apocalyptic number.

It is an amenable number.

2623217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2623217 is an equidigital number, since it uses as much as digits as its factorization.

2623217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 23.

The square root of 2623217 is about 1619.6348353873. The cubic root of 2623217 is about 137.9149689715.

Adding to 2623217 its reverse (7123262), we get a palindrome (9746479).

The spelling of 2623217 in words is "two million, six hundred twenty-three thousand, two hundred seventeen".