1325313244 has 24 divisors (see below), whose sum is σ = 2334890880. Its totient is φ = 658212864.

The previous prime is 1325313239. The next prime is 1325313263. The reversal of 1325313244 is 4423135231.

It is a happy number.

It is a congruent number.

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, 920277 + ... + 921715.

It is an arithmetic number, because the mean of its divisors is an integer number (97287120).

Almost surely, 2^1325313244 is an apocalyptic number.

It is an amenable number.

1325313244 is a deficient number, since it is larger than the sum of its proper divisors (1009577636).

1325313244 is a wasteful number, since it uses less digits than its factorization.

1325313244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2829 (or 2827 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 1325313244 is about 36404.8519293789. The cubic root of 1325313244 is about 1098.4311641183.

Adding to 1325313244 its reverse (4423135231), we get a palindrome (5748448475).

The spelling of 1325313244 in words is "one billion, three hundred twenty-five million, three hundred thirteen thousand, two hundred forty-four".