1522532303 has 4 divisors (see below), whose sum is σ = 1522619880. Its totient is φ = 1522444728.

The previous prime is 1522532279. The next prime is 1522532309. The reversal of 1522532303 is 3032352251.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1522532303 - 2⁶ = 1522532239 is a prime.

It is a super-2 number, since 2×1522532303² = 4636209227356967618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1522532309) 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, 7913 + ... + 55746.

It is an arithmetic number, because the mean of its divisors is an integer number (380654970).

Almost surely, 2^1522532303 is an apocalyptic number.

1522532303 is a deficient number, since it is larger than the sum of its proper divisors (87577).

1522532303 is an equidigital number, since it uses as much as digits as its factorization.

1522532303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87576.

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

The square root of 1522532303 is about 39019.6399650227. The cubic root of 1522532303 is about 1150.4175680843.

Adding to 1522532303 its reverse (3032352251), we get a palindrome (4554884554).

The spelling of 1522532303 in words is "one billion, five hundred twenty-two million, five hundred thirty-two thousand, three hundred three".