35603 has 2 divisors, whose sum is σ = 35604. Its totient is φ = 35602.

The previous prime is 35597. The next prime is 35617. The reversal of 35603 is 30653.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 35603 - 2¹⁴ = 19219 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (35803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17801 + 17802.

It is an arithmetic number, because the mean of its divisors is an integer number (17802).

2³⁵⁶⁰³ is an apocalyptic number.

35603 is a deficient number, since it is larger than the sum of its proper divisors (1).

35603 is an equidigital number, since it uses as much as digits as its factorization.

35603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 35603 is about 188.6875724578. The cubic root of 35603 is about 32.8974471648.

Subtracting from 35603 its reverse (30653), we obtain a triangular number (4950 = T₉₉).

The spelling of 35603 in words is "thirty-five thousand, six hundred three".