3645003215 has 16 divisors (see below), whose sum is σ = 4999864320. Its totient is φ = 2498929440.

The previous prime is 3645003203. The next prime is 3645003233. The reversal of 3645003215 is 5123005463.

It is not a de Polignac number, because 3645003215 - 2¹² = 3644999119 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281330 + ... + 294000.

It is an arithmetic number, because the mean of its divisors is an integer number (312491520).

Almost surely, 2^3645003215 is an apocalyptic number.

3645003215 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3645003215 is a deficient number, since it is larger than the sum of its proper divisors (1354861105).

3645003215 is a wasteful number, since it uses less digits than its factorization.

3645003215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20902.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 3645003215 is about 60373.8620182608. The cubic root of 3645003215 is about 1538.9788044840.

Adding to 3645003215 its reverse (5123005463), we get a palindrome (8768008678).

The spelling of 3645003215 in words is "three billion, six hundred forty-five million, three thousand, two hundred fifteen".