5563651 has 2 divisors, whose sum is σ = 5563652. Its totient is φ = 5563650.

The previous prime is 5563643. The next prime is 5563661. The reversal of 5563651 is 1563655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5563651 - 2³ = 5563643 is a prime.

It is not a weakly prime, because it can be changed into another prime (5563661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2781825 + 2781826.

It is an arithmetic number, because the mean of its divisors is an integer number (2781826).

Almost surely, 2^5563651 is an apocalyptic number.

5563651 is a deficient number, since it is larger than the sum of its proper divisors (1).

5563651 is an equidigital number, since it uses as much as digits as its factorization.

5563651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13500, while the sum is 31.

The square root of 5563651 is about 2358.7392819046. The cubic root of 5563651 is about 177.1957467128.

The spelling of 5563651 in words is "five million, five hundred sixty-three thousand, six hundred fifty-one".