90835603 has 2 divisors, whose sum is σ = 90835604. Its totient is φ = 90835602.

The previous prime is 90835601. The next prime is 90835621. The reversal of 90835603 is 30653809.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90835603 - 2¹ = 90835601 is a prime.

It is a super-2 number, since 2×90835603² = 16502213544747218, which contains 22 as substring.

Together with 90835601, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (90835601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45417801 + 45417802.

It is an arithmetic number, because the mean of its divisors is an integer number (45417802).

Almost surely, 2^90835603 is an apocalyptic number.

90835603 is a deficient number, since it is larger than the sum of its proper divisors (1).

90835603 is an equidigital number, since it uses as much as digits as its factorization.

90835603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 90835603 is about 9530.7713748678. The cubic root of 90835603 is about 449.5231211528.

The spelling of 90835603 in words is "ninety million, eight hundred thirty-five thousand, six hundred three".