1315530452 has 12 divisors (see below), whose sum is σ = 2304273216. Its totient is φ = 657166680.

The previous prime is 1315530367. The next prime is 1315530479. The reversal of 1315530452 is 2540355131.

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, 144674 + ... + 153497.

It is an arithmetic number, because the mean of its divisors is an integer number (192022768).

Almost surely, 2^1315530452 is an apocalyptic number.

It is an amenable number.

1315530452 is a deficient number, since it is larger than the sum of its proper divisors (988742764).

1315530452 is a wasteful number, since it uses less digits than its factorization.

1315530452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299278 (or 299276 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1315530452 is about 36270.2419622478. The cubic root of 1315530452 is about 1095.7217990059.

Adding to 1315530452 its reverse (2540355131), we get a palindrome (3855885583).

The spelling of 1315530452 in words is "one billion, three hundred fifteen million, five hundred thirty thousand, four hundred fifty-two".