1325565696 has 216 divisors, whose sum is σ = 4368927360. Its totient is φ = 349360128.

The previous prime is 1325565679. The next prime is 1325565707. The reversal of 1325565696 is 6965655231.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 907815 + ... + 909273.

Almost surely, 2^1325565696 is an apocalyptic number.

1325565696 is a gapful number since it is divisible by the number (16) 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 1325565696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2184463680).

1325565696 is an abundant number, since it is smaller than the sum of its proper divisors (3043361664).

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

1325565696 is a wasteful number, since it uses less digits than its factorization.

1325565696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511 (or 1484 counting only the distinct ones).

The product of its digits is 1458000, while the sum is 48.

The square root of 1325565696 is about 36408.3190493601. The cubic root of 1325565696 is about 1098.5009044961.

The spelling of 1325565696 in words is "one billion, three hundred twenty-five million, five hundred sixty-five thousand, six hundred ninety-six".