4001303 has 2 divisors, whose sum is σ = 4001304. Its totient is φ = 4001302.

The previous prime is 4001269. The next prime is 4001339. The reversal of 4001303 is 3031004.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4001303 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4001383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000651 + 2000652.

It is an arithmetic number, because the mean of its divisors is an integer number (2000652).

Almost surely, 2^4001303 is an apocalyptic number.

4001303 is a deficient number, since it is larger than the sum of its proper divisors (1).

4001303 is an equidigital number, since it uses as much as digits as its factorization.

4001303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 4001303 is about 2000.3257234761. The cubic root of 4001303 is about 158.7573398553.

Adding to 4001303 its reverse (3031004), we get a palindrome (7032307).

Subtracting from 4001303 its reverse (3031004), we obtain a cube (970299 = 99³).

The spelling of 4001303 in words is "four million, one thousand, three hundred three".