90603503 has 2 divisors, whose sum is σ = 90603504. Its totient is φ = 90603502.

The previous prime is 90603493. The next prime is 90603517. The reversal of 90603503 is 30530609.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90603503 - 2¹⁸ = 90341359 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90603593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45301751 + 45301752.

It is an arithmetic number, because the mean of its divisors is an integer number (45301752).

Almost surely, 2^90603503 is an apocalyptic number.

90603503 is a deficient number, since it is larger than the sum of its proper divisors (1).

90603503 is an equidigital number, since it uses as much as digits as its factorization.

90603503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 26.

The square root of 90603503 is about 9518.5872376104. The cubic root of 90603503 is about 449.1399259329.

The spelling of 90603503 in words is "ninety million, six hundred three thousand, five hundred three".