6405242603 has 4 divisors (see below), whose sum is σ = 6433965888. Its totient is φ = 6376519320.

The previous prime is 6405242581. The next prime is 6405242689. The reversal of 6405242603 is 3062425046.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6405242603 - 2¹⁶ = 6405177067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6405242603.

It is not an unprimeable number, because it can be changed into a prime (6405242693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14361308 + ... + 14361753.

It is an arithmetic number, because the mean of its divisors is an integer number (1608491472).

Almost surely, 2^6405242603 is an apocalyptic number.

6405242603 is a deficient number, since it is larger than the sum of its proper divisors (28723285).

6405242603 is a wasteful number, since it uses less digits than its factorization.

6405242603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28723284.

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 6405242603 is about 80032.7595613196. The cubic root of 6405242603 is about 1857.1423535724.

Adding to 6405242603 its reverse (3062425046), we get a palindrome (9467667649).

The spelling of 6405242603 in words is "six billion, four hundred five million, two hundred forty-two thousand, six hundred three".