1325432544 has 96 divisors (see below), whose sum is σ = 3552885504. Its totient is φ = 432552960.

The previous prime is 1325432527. The next prime is 1325432587. The reversal of 1325432544 is 4452345231.

It is a tau number, because it is divible by the number of its divisors (96).

Its product of digits (57600) is a multiple of the sum of its prime factors (1440).

It is a congruent number.

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, 1110412 + ... + 1111604.

It is an arithmetic number, because the mean of its divisors is an integer number (37009224).

Almost surely, 2^1325432544 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 1325432544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1776442752).

1325432544 is an abundant number, since it is smaller than the sum of its proper divisors (2227452960).

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

1325432544 is a wasteful number, since it uses less digits than its factorization.

1325432544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440 (or 1432 counting only the distinct ones).

The product of its digits is 57600, while the sum is 33.

The square root of 1325432544 is about 36406.4904103650. The cubic root of 1325432544 is about 1098.4641220892.

Adding to 1325432544 its reverse (4452345231), we get a palindrome (5777777775).

The spelling of 1325432544 in words is "one billion, three hundred twenty-five million, four hundred thirty-two thousand, five hundred forty-four".