5624561 has 2 divisors, whose sum is σ = 5624562. Its totient is φ = 5624560.

The previous prime is 5624557. The next prime is 5624573. The reversal of 5624561 is 1654265.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5107600 + 516961 = 2260^2 + 719^2 .

It is a cyclic number.

It is not a de Polignac number, because 5624561 - 2² = 5624557 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5624461) 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, 2812280 + 2812281.

It is an arithmetic number, because the mean of its divisors is an integer number (2812281).

Almost surely, 2^5624561 is an apocalyptic number.

It is an amenable number.

5624561 is a deficient number, since it is larger than the sum of its proper divisors (1).

5624561 is an equidigital number, since it uses as much as digits as its factorization.

5624561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 29.

The square root of 5624561 is about 2371.6156939943. The cubic root of 5624561 is about 177.8400385081.

The spelling of 5624561 in words is "five million, six hundred twenty-four thousand, five hundred sixty-one".