3650503 has 2 divisors, whose sum is σ = 3650504. Its totient is φ = 3650502.

The previous prime is 3650501. The next prime is 3650509. The reversal of 3650503 is 3050563.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3650503 - 2¹ = 3650501 is a prime.

Together with 3650501, it forms a pair of twin primes.

It is an alternating number because its digits alternate between odd and even.

3650503 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3650501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1825251 + 1825252.

It is an arithmetic number, because the mean of its divisors is an integer number (1825252).

Almost surely, 2^3650503 is an apocalyptic number.

3650503 is a deficient number, since it is larger than the sum of its proper divisors (1).

3650503 is an equidigital number, since it uses as much as digits as its factorization.

3650503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 3650503 is about 1910.6289540358. The cubic root of 3650503 is about 153.9752447981.

The spelling of 3650503 in words is "three million, six hundred fifty thousand, five hundred three".