1325401445 has 8 divisors (see below), whose sum is σ = 1598723736. Its totient is φ = 1054826496.

The previous prime is 1325401433. The next prime is 1325401453. The reversal of 1325401445 is 5441045231.

It can be written as a sum of positive squares in 4 ways, for example, as 30625156 + 1294776289 = 5534^2 + 35983^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1325401445 - 2¹² = 1325397349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 685772 + ... + 687701.

It is an arithmetic number, because the mean of its divisors is an integer number (199840467).

Almost surely, 2^1325401445 is an apocalyptic number.

It is an amenable number.

1325401445 is a deficient number, since it is larger than the sum of its proper divisors (273322291).

1325401445 is a wasteful number, since it uses less digits than its factorization.

1325401445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373671.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1325401445 is about 36406.0632999505. The cubic root of 1325401445 is about 1098.4555308302.

Adding to 1325401445 its reverse (5441045231), we get a palindrome (6766446676).

The spelling of 1325401445 in words is "one billion, three hundred twenty-five million, four hundred one thousand, four hundred forty-five".