1325313200 has 60 divisors (see below), whose sum is σ = 3371380200. Its totient is φ = 498938880.

The previous prime is 1325313173. The next prime is 1325313211. The reversal of 1325313200 is 23135231.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90650 + ... + 104249.

It is an arithmetic number, because the mean of its divisors is an integer number (56189670).

Almost surely, 2^1325313200 is an apocalyptic number.

1325313200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1325313200 is an abundant number, since it is smaller than the sum of its proper divisors (2046067000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1325313200 is a wasteful number, since it uses less digits than its factorization.

1325313200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194934 (or 194923 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1325313200 is about 36404.8513250638. The cubic root of 1325313200 is about 1098.4311519624.

Adding to 1325313200 its reverse (23135231), we get a palindrome (1348448431).

The spelling of 1325313200 in words is "one billion, three hundred twenty-five million, three hundred thirteen thousand, two hundred".