1522303 has 4 divisors (see below), whose sum is σ = 1540728. Its totient is φ = 1503880.

The previous prime is 1522253. The next prime is 1522321. The reversal of 1522303 is 3032251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3032251 = 23 ⋅131837.

It is a cyclic number.

It is not a de Polignac number, because 1522303 - 2⁹ = 1521791 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 (1522343) 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, 9088 + ... + 9253.

It is an arithmetic number, because the mean of its divisors is an integer number (385182).

2^1522303 is an apocalyptic number.

1522303 is a deficient number, since it is larger than the sum of its proper divisors (18425).

1522303 is an equidigital number, since it uses as much as digits as its factorization.

1522303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18424.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 1522303 is about 1233.8164369143. The cubic root of 1522303 is about 115.0359811796.

Adding to 1522303 its reverse (3032251), we get a palindrome (4554554).

The spelling of 1522303 in words is "one million, five hundred twenty-two thousand, three hundred three".