1325656332 has 144 divisors (see below), whose sum is σ = 4499319552. Its totient is φ = 317831040.

The previous prime is 1325656327. The next prime is 1325656337. The reversal of 1325656332 is 2336565231.

1325656332 is a `hidden beast` number, since 1 + 3 + 2 + 565 + 63 + 32 = 666.

It is an interprime number because it is at equal distance from previous prime (1325656327) and next prime (1325656337).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1325656337) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17643 + ... + 54429.

Almost surely, 2^1325656332 is an apocalyptic number.

1325656332 is a gapful number since it is divisible by the number (12) 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 1325656332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2249659776).

1325656332 is an abundant number, since it is smaller than the sum of its proper divisors (3173663220).

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

1325656332 is a wasteful number, since it uses less digits than its factorization.

1325656332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36828 (or 36823 counting only the distinct ones).

The product of its digits is 97200, while the sum is 36.

The square root of 1325656332 is about 36409.5637436100. The cubic root of 1325656332 is about 1098.5259407150.

The spelling of 1325656332 in words is "one billion, three hundred twenty-five million, six hundred fifty-six thousand, three hundred thirty-two".