1303522 has 16 divisors (see below), whose sum is σ = 2151072. Its totient is φ = 587520.

The previous prime is 1303517. The next prime is 1303537. The reversal of 1303522 is 2253031.

It is a junction number, because it is equal to n+sod(n) for n = 1303496 and 1303505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4093 + ... + 4399.

It is an arithmetic number, because the mean of its divisors is an integer number (134442).

2^1303522 is an apocalyptic number.

1303522 is a deficient number, since it is larger than the sum of its proper divisors (847550).

1303522 is a wasteful number, since it uses less digits than its factorization.

1303522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513.

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

The square root of 1303522 is about 1141.7188795846. The cubic root of 1303522 is about 109.2377606042.

Adding to 1303522 its reverse (2253031), we get a palindrome (3556553).

The spelling of 1303522 in words is "one million, three hundred three thousand, five hundred twenty-two".