1325509180 has 48 divisors (see below), whose sum is σ = 2828304864. Its totient is φ = 521717760.

The previous prime is 1325509147. The next prime is 1325509183. The reversal of 1325509180 is 819055231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325509183) 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, 865015 + ... + 866545.

It is an arithmetic number, because the mean of its divisors is an integer number (58923018).

Almost surely, 2^1325509180 is an apocalyptic number.

1325509180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1325509180 is an abundant number, since it is smaller than the sum of its proper divisors (1502795684).

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

1325509180 is a wasteful number, since it uses less digits than its factorization.

1325509180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206 (or 2204 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 1325509180 is about 36407.5428997893. The cubic root of 1325509180 is about 1098.4852926056.

The spelling of 1325509180 in words is "one billion, three hundred twenty-five million, five hundred nine thousand, one hundred eighty".