7823201 has 2 divisors, whose sum is σ = 7823202. Its totient is φ = 7823200.

The previous prime is 7823183. The next prime is 7823203. The reversal of 7823201 is 1023287.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4579600 + 3243601 = 2140^2 + 1801^2 .

It is a cyclic number.

It is not a de Polignac number, because 7823201 - 2²² = 3628897 is a prime.

It is a super-2 number, since 2×7823201² = 122404947772802, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 7823203, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (7823203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3911600 + 3911601.

It is an arithmetic number, because the mean of its divisors is an integer number (3911601).

Almost surely, 2^7823201 is an apocalyptic number.

It is an amenable number.

7823201 is a deficient number, since it is larger than the sum of its proper divisors (1).

7823201 is an equidigital number, since it uses as much as digits as its factorization.

7823201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 7823201 is about 2796.9985698960. The cubic root of 7823201 is about 198.5156863163.

Adding to 7823201 its reverse (1023287), we get a palindrome (8846488).

The spelling of 7823201 in words is "seven million, eight hundred twenty-three thousand, two hundred one".