1352521322 has 4 divisors (see below), whose sum is σ = 2028781986. Its totient is φ = 676260660.

The previous prime is 1352521319. The next prime is 1352521333. The reversal of 1352521322 is 2231252531.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1307617921 + 44903401 = 36161^2 + 6701^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1352521291 and 1352521300.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338130329 + ... + 338130332.

Almost surely, 2^1352521322 is an apocalyptic number.

1352521322 is a deficient number, since it is larger than the sum of its proper divisors (676260664).

1352521322 is an equidigital number, since it uses as much as digits as its factorization.

1352521322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676260663.

The product of its digits is 3600, while the sum is 26.

The square root of 1352521322 is about 36776.6409831023. The cubic root of 1352521322 is about 1105.8970683354.

Adding to 1352521322 its reverse (2231252531), we get a palindrome (3583773853).

The spelling of 1352521322 in words is "one billion, three hundred fifty-two million, five hundred twenty-one thousand, three hundred twenty-two".