1325315000 has 80 divisors (see below), whose sum is σ = 3148617120. Its totient is φ = 522720000.

The previous prime is 1325314973. The next prime is 1325315023. The reversal of 1325315000 is 5135231.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 363185 + ... + 366815.

It is an arithmetic number, because the mean of its divisors is an integer number (39357714).

Almost surely, 2^1325315000 is an apocalyptic number.

1325315000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1325315000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1574308560).

1325315000 is an abundant number, since it is smaller than the sum of its proper divisors (1823302120).

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

1325315000 is an equidigital number, since it uses as much as digits as its factorization.

1325315000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3730 (or 3711 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 1325315000 is about 36404.8760470352. The cubic root of 1325315000 is about 1098.4316492474.

The spelling of 1325315000 in words is "one billion, three hundred twenty-five million, three hundred fifteen thousand".