5465561 has 2 divisors, whose sum is σ = 5465562. Its totient is φ = 5465560.

The previous prime is 5465549. The next prime is 5465563. The reversal of 5465561 is 1655645.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5290000 + 175561 = 2300^2 + 419^2 .

It is a cyclic number.

It is not a de Polignac number, because 5465561 - 2⁶ = 5465497 is a prime.

Together with 5465563, 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 (5465563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2732780 + 2732781.

It is an arithmetic number, because the mean of its divisors is an integer number (2732781).

Almost surely, 2^5465561 is an apocalyptic number.

It is an amenable number.

5465561 is a deficient number, since it is larger than the sum of its proper divisors (1).

5465561 is an equidigital number, since it uses as much as digits as its factorization.

5465561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18000, while the sum is 32.

The square root of 5465561 is about 2337.8539304242. The cubic root of 5465561 is about 176.1482157980.

The spelling of 5465561 in words is "five million, four hundred sixty-five thousand, five hundred sixty-one".