1325314447 has 4 divisors (see below), whose sum is σ = 1325393080. Its totient is φ = 1325235816.

The previous prime is 1325314439. The next prime is 1325314451. The reversal of 1325314447 is 7444135231.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1325314447 - 2³ = 1325314439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325314147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2613 + ... + 51550.

It is an arithmetic number, because the mean of its divisors is an integer number (331348270).

Almost surely, 2^1325314447 is an apocalyptic number.

1325314447 is a deficient number, since it is larger than the sum of its proper divisors (78633).

1325314447 is an equidigital number, since it uses as much as digits as its factorization.

1325314447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78632.

The product of its digits is 40320, while the sum is 34.

The square root of 1325314447 is about 36404.8684518980. The cubic root of 1325314447 is about 1098.4314964705.

Adding to 1325314447 its reverse (7444135231), we get a palindrome (8769449678).

The spelling of 1325314447 in words is "one billion, three hundred twenty-five million, three hundred fourteen thousand, four hundred forty-seven".