36321003 has 12 divisors (see below), whose sum is σ = 52695760. Its totient is φ = 24106896.

The previous prime is 36320981. The next prime is 36321011. The reversal of 36321003 is 30012363.

It is a happy number.

It is not a de Polignac number, because 36321003 - 2¹⁶ = 36255467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36321023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6751 + ... + 10872.

Almost surely, 2^36321003 is an apocalyptic number.

36321003 is a deficient number, since it is larger than the sum of its proper divisors (16374757).

36321003 is a wasteful number, since it uses less digits than its factorization.

36321003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17858 (or 17855 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 36321003 is about 6026.6908830634. The cubic root of 36321003 is about 331.1712375691.

Adding to 36321003 its reverse (30012363), we get a palindrome (66333366).

The spelling of 36321003 in words is "thirty-six million, three hundred twenty-one thousand, three".