5303561 has 2 divisors, whose sum is σ = 5303562. Its totient is φ = 5303560.

The previous prime is 5303539. The next prime is 5303563. The reversal of 5303561 is 1653035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3171961 + 2131600 = 1781^2 + 1460^2 .

It is a cyclic number.

It is not a de Polignac number, because 5303561 - 2¹⁰ = 5302537 is a prime.

Together with 5303563, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5303563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2651780 + 2651781.

It is an arithmetic number, because the mean of its divisors is an integer number (2651781).

Almost surely, 2^5303561 is an apocalyptic number.

It is an amenable number.

5303561 is a deficient number, since it is larger than the sum of its proper divisors (1).

5303561 is an equidigital number, since it uses as much as digits as its factorization.

5303561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 5303561 is about 2302.9461565569. The cubic root of 5303561 is about 174.3903795054.

Adding to 5303561 its reverse (1653035), we get a palindrome (6956596).

The spelling of 5303561 in words is "five million, three hundred three thousand, five hundred sixty-one".