36563903 has 2 divisors, whose sum is σ = 36563904. Its totient is φ = 36563902.

The previous prime is 36563899. The next prime is 36563927. The reversal of 36563903 is 30936563.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36563903 - 2² = 36563899 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 (36563953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18281951 + 18281952.

It is an arithmetic number, because the mean of its divisors is an integer number (18281952).

Almost surely, 2^36563903 is an apocalyptic number.

36563903 is a deficient number, since it is larger than the sum of its proper divisors (1).

36563903 is an equidigital number, since it uses as much as digits as its factorization.

36563903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43740, while the sum is 35.

The square root of 36563903 is about 6046.8093239327. The cubic root of 36563903 is about 331.9078438513.

The spelling of 36563903 in words is "thirty-six million, five hundred sixty-three thousand, nine hundred three".