1325442464 has 12 divisors (see below), whose sum is σ = 2609464914. Its totient is φ = 662721216.

The previous prime is 1325442407. The next prime is 1325442467. The reversal of 1325442464 is 4642445231.

It can be written as a sum of positive squares in only one way, i.e., 1246090000 + 79352464 = 35300^2 + 8908^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1325442467) by changing a digit.

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 as a sum of consecutive naturals, namely, 20710007 + ... + 20710070.

Almost surely, 2^1325442464 is an apocalyptic number.

It is an amenable number.

1325442464 is a deficient number, since it is larger than the sum of its proper divisors (1284022450).

1325442464 is an equidigital number, since it uses as much as digits as its factorization.

1325442464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41420087 (or 41420079 counting only the distinct ones).

The product of its digits is 92160, while the sum is 35.

The square root of 1325442464 is about 36406.6266495538. The cubic root of 1325442464 is about 1098.4668625121.

Adding to 1325442464 its reverse (4642445231), we get a palindrome (5967887695).

The spelling of 1325442464 in words is "one billion, three hundred twenty-five million, four hundred forty-two thousand, four hundred sixty-four".