7663361 has 2 divisors, whose sum is σ = 7663362. Its totient is φ = 7663360.

The previous prime is 7663349. The next prime is 7663367. The reversal of 7663361 is 1633667.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7392961 + 270400 = 2719^2 + 520^2 .

It is a cyclic number.

It is not a de Polignac number, because 7663361 - 2⁶ = 7663297 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (7663367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3831680 + 3831681.

It is an arithmetic number, because the mean of its divisors is an integer number (3831681).

Almost surely, 2^7663361 is an apocalyptic number.

It is an amenable number.

7663361 is a deficient number, since it is larger than the sum of its proper divisors (1).

7663361 is an equidigital number, since it uses as much as digits as its factorization.

7663361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 32.

The square root of 7663361 is about 2768.2776233608. The cubic root of 7663361 is about 197.1543792338.

The spelling of 7663361 in words is "seven million, six hundred sixty-three thousand, three hundred sixty-one".