5626561 has 2 divisors, whose sum is σ = 5626562. Its totient is φ = 5626560.

The previous prime is 5626549. The next prime is 5626567. The reversal of 5626561 is 1656265.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5612161 + 14400 = 2369^2 + 120^2 .

It is a cyclic number.

It is not a de Polignac number, because 5626561 - 2¹⁵ = 5593793 is a prime.

It is a Chen prime.

5626561 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (5626567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2813280 + 2813281.

It is an arithmetic number, because the mean of its divisors is an integer number (2813281).

Almost surely, 2^5626561 is an apocalyptic number.

It is an amenable number.

5626561 is a deficient number, since it is larger than the sum of its proper divisors (1).

5626561 is an equidigital number, since it uses as much as digits as its factorization.

5626561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 31.

The square root of 5626561 is about 2372.0373099932. The cubic root of 5626561 is about 177.8611149931.

The spelling of 5626561 in words is "five million, six hundred twenty-six thousand, five hundred sixty-one".