1324440613 has 2 divisors, whose sum is σ = 1324440614. Its totient is φ = 1324440612.

The previous prime is 1324440583. The next prime is 1324440617. The reversal of 1324440613 is 3160444231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 994582369 + 329858244 = 31537^2 + 18162^2 .

It is a cyclic number.

It is not a de Polignac number, because 1324440613 - 2²¹ = 1322343461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1324440617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662220306 + 662220307.

It is an arithmetic number, because the mean of its divisors is an integer number (662220307).

Almost surely, 2^1324440613 is an apocalyptic number.

It is an amenable number.

1324440613 is a deficient number, since it is larger than the sum of its proper divisors (1).

1324440613 is an equidigital number, since it uses as much as digits as its factorization.

1324440613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 1324440613 is about 36392.8648638713. The cubic root of 1324440613 is about 1098.1900297949.

Adding to 1324440613 its reverse (3160444231), we get a palindrome (4484884844).

The spelling of 1324440613 in words is "one billion, three hundred twenty-four million, four hundred forty thousand, six hundred thirteen".