1325621696 has 42 divisors (see below), whose sum is σ = 3060012168. Its totient is φ = 568122240.

The previous prime is 1325621651. The next prime is 1325621711. The reversal of 1325621696 is 6961265231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 208220 + ... + 214491.

Almost surely, 2^1325621696 is an apocalyptic number.

1325621696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1325621696 is an abundant number, since it is smaller than the sum of its proper divisors (1734390472).

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

1325621696 is an equidigital number, since it uses as much as digits as its factorization.

1325621696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422737 (or 422720 counting only the distinct ones).

The product of its digits is 116640, while the sum is 41.

The square root of 1325621696 is about 36409.0880962432. The cubic root of 1325621696 is about 1098.5163734098.

The spelling of 1325621696 in words is "one billion, three hundred twenty-five million, six hundred twenty-one thousand, six hundred ninety-six".