1325471660 has 48 divisors (see below), whose sum is σ = 2821301280. Its totient is φ = 523015680.

The previous prime is 1325471627. The next prime is 1325471663. The reversal of 1325471660 is 661745231.

It is a self number, because there is not a number n which added to its sum of digits gives 1325471660.

It is not an unprimeable number, because it can be changed into a prime (1325471663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1460927 + ... + 1461833.

It is an arithmetic number, because the mean of its divisors is an integer number (58777110).

Almost surely, 2^1325471660 is an apocalyptic number.

1325471660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1325471660 is an abundant number, since it is smaller than the sum of its proper divisors (1495829620).

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

1325471660 is a wasteful number, since it uses less digits than its factorization.

1325471660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826 (or 1824 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 1325471660 is about 36407.0276183047. The cubic root of 1325471660 is about 1098.4749278950.

The spelling of 1325471660 in words is "one billion, three hundred twenty-five million, four hundred seventy-one thousand, six hundred sixty".