5651603 has 2 divisors, whose sum is σ = 5651604. Its totient is φ = 5651602.

The previous prime is 5651593. The next prime is 5651617. The reversal of 5651603 is 3061565.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5651603 - 2⁶ = 5651539 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5651623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2825801 + 2825802.

It is an arithmetic number, because the mean of its divisors is an integer number (2825802).

Almost surely, 2^5651603 is an apocalyptic number.

5651603 is a deficient number, since it is larger than the sum of its proper divisors (1).

5651603 is an equidigital number, since it uses as much as digits as its factorization.

5651603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 5651603 is about 2377.3100344717. The cubic root of 5651603 is about 178.1245918940.

The spelling of 5651603 in words is "five million, six hundred fifty-one thousand, six hundred three".