1324052645 has 6 divisors (see below), whose sum is σ = 1588960818. Its totient is φ = 1059177024.

The previous prime is 1324052621. The next prime is 1324052657. The reversal of 1324052645 is 5462504231.

It can be written as a sum of positive squares in 3 ways, for example, as 836482084 + 487570561 = 28922^2 + 22081^2 .

It is not a de Polignac number, because 1324052645 - 2¹² = 1324048549 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 (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73229 + ... + 89501.

It is an arithmetic number, because the mean of its divisors is an integer number (264826803).

Almost surely, 2^1324052645 is an apocalyptic number.

It is an amenable number.

1324052645 is a deficient number, since it is larger than the sum of its proper divisors (264908173).

1324052645 is an frugal number, since it uses more digits than its factorization.

1324052645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32551 (or 16278 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 1324052645 is about 36387.5341978541. The cubic root of 1324052645 is about 1098.0827884951.

Adding to 1324052645 its reverse (5462504231), we get a palindrome (6786556876).

The spelling of 1324052645 in words is "one billion, three hundred twenty-four million, fifty-two thousand, six hundred forty-five".