7103561 has 2 divisors, whose sum is σ = 7103562. Its totient is φ = 7103560.

The previous prime is 7103539. The next prime is 7103599. The reversal of 7103561 is 1653017.

7103561 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4020025 + 3083536 = 2005^2 + 1756^2 .

It is a cyclic number.

It is not a de Polignac number, because 7103561 - 2⁶ = 7103497 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7103531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3551780 + 3551781.

It is an arithmetic number, because the mean of its divisors is an integer number (3551781).

Almost surely, 2^7103561 is an apocalyptic number.

It is an amenable number.

7103561 is a deficient number, since it is larger than the sum of its proper divisors (1).

7103561 is an equidigital number, since it uses as much as digits as its factorization.

7103561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 7103561 is about 2665.2506448738. The cubic root of 7103561 is about 192.2318614541.

Adding to 7103561 its reverse (1653017), we get a palindrome (8756578).

The spelling of 7103561 in words is "seven million, one hundred three thousand, five hundred sixty-one".