4006505303 has 4 divisors (see below), whose sum is σ = 4057220640. Its totient is φ = 3955789968.

The previous prime is 4006505291. The next prime is 4006505369. The reversal of 4006505303 is 3035056004.

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 4006505303 - 2²² = 4002310999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4006505203) 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, 25357550 + ... + 25357707.

It is an arithmetic number, because the mean of its divisors is an integer number (1014305160).

Almost surely, 2^4006505303 is an apocalyptic number.

4006505303 is a deficient number, since it is larger than the sum of its proper divisors (50715337).

4006505303 is an equidigital number, since it uses as much as digits as its factorization.

4006505303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50715336.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 4006505303 is about 63296.9612461767. The cubic root of 4006505303 is about 1588.2611296166.

The spelling of 4006505303 in words is "four billion, six million, five hundred five thousand, three hundred three".