1315322452 has 12 divisors (see below), whose sum is σ = 2304934240. Its totient is φ = 656769816.

The previous prime is 1315322447. The next prime is 1315322501. The reversal of 1315322452 is 2542235131.

It is a self number, because there is not a number n which added to its sum of digits gives 1315322452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219528 + ... + 225439.

Almost surely, 2^1315322452 is an apocalyptic number.

It is an amenable number.

1315322452 is a deficient number, since it is larger than the sum of its proper divisors (989611788).

1315322452 is a wasteful number, since it uses less digits than its factorization.

1315322452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445710 (or 445708 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 1315322452 is about 36267.3744845143. The cubic root of 1315322452 is about 1095.6640473599.

Adding to 1315322452 its reverse (2542235131), we get a palindrome (3857557583).

The spelling of 1315322452 in words is "one billion, three hundred fifteen million, three hundred twenty-two thousand, four hundred fifty-two".