1501303 has 2 divisors, whose sum is σ = 1501304. Its totient is φ = 1501302.

The previous prime is 1501261. The next prime is 1501307. The reversal of 1501303 is 3031051.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1501303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1501307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 750651 + 750652.

It is an arithmetic number, because the mean of its divisors is an integer number (750652).

2^1501303 is an apocalyptic number.

1501303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1501303 is an equidigital number, since it uses as much as digits as its factorization.

1501303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45, while the sum is 13.

The square root of 1501303 is about 1225.2767034429. The cubic root of 1501303 is about 114.5045604992.

Adding to 1501303 its reverse (3031051), we get a palindrome (4532354).

The spelling of 1501303 in words is "one million, five hundred one thousand, three hundred three".