1325341538 has 4 divisors (see below), whose sum is σ = 1988012310. Its totient is φ = 662670768.

The previous prime is 1325341487. The next prime is 1325341553. The reversal of 1325341538 is 8351435231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1316020729 + 9320809 = 36277^2 + 3053^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1325341498 and 1325341507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331335383 + ... + 331335386.

Almost surely, 2^1325341538 is an apocalyptic number.

1325341538 is a deficient number, since it is larger than the sum of its proper divisors (662670772).

1325341538 is an equidigital number, since it uses as much as digits as its factorization.

1325341538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662670771.

The product of its digits is 43200, while the sum is 35.

The square root of 1325341538 is about 36405.2405293524. The cubic root of 1325341538 is about 1098.4389808339.

Adding to 1325341538 its reverse (8351435231), we get a palindrome (9676776769).

The spelling of 1325341538 in words is "one billion, three hundred twenty-five million, three hundred forty-one thousand, five hundred thirty-eight".