1325640300 has 36 divisors (see below), whose sum is σ = 3835520136. Its totient is φ = 353504000.

The previous prime is 1325640287. The next prime is 1325640301. The reversal of 1325640300 is 30465231.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1325640301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2209101 + ... + 2209700.

It is an arithmetic number, because the mean of its divisors is an integer number (106542226).

Almost surely, 2^1325640300 is an apocalyptic number.

1325640300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1325640300 is an abundant number, since it is smaller than the sum of its proper divisors (2509879836).

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

1325640300 is a wasteful number, since it uses less digits than its factorization.

1325640300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4418818 (or 4418811 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1325640300 is about 36409.3435810095. The cubic root of 1325640300 is about 1098.5215123076.

The spelling of 1325640300 in words is "one billion, three hundred twenty-five million, six hundred forty thousand, three hundred".