1325434432 has 112 divisors (see below), whose sum is σ = 3154314240. Its totient is φ = 540283392.

The previous prime is 1325434421. The next prime is 1325434457. The reversal of 1325434432 is 2344345231.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

Its product of digits (34560) is a multiple of the sum of its prime factors (768).

It is a junction number, because it is equal to n+sod(n) for n = 1325434394 and 1325434403.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3163119 + ... + 3163537.

It is an arithmetic number, because the mean of its divisors is an integer number (28163520).

Almost surely, 2^1325434432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1325434432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1577157120).

1325434432 is an abundant number, since it is smaller than the sum of its proper divisors (1828879808).

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

1325434432 is a wasteful number, since it uses less digits than its factorization.

1325434432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768 (or 758 counting only the distinct ones).

The product of its digits is 34560, while the sum is 31.

The square root of 1325434432 is about 36406.5163397983. The cubic root of 1325434432 is about 1098.4646436546.

Adding to 1325434432 its reverse (2344345231), we get a palindrome (3669779663).

The spelling of 1325434432 in words is "one billion, three hundred twenty-five million, four hundred thirty-four thousand, four hundred thirty-two".