1325939579 has 2 divisors, whose sum is σ = 1325939580. Its totient is φ = 1325939578.

The previous prime is 1325939501. The next prime is 1325939597. The reversal of 1325939579 is 9759395231.

It is a happy number.

Together with next prime (1325939597) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1325939579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1325939579.

It is not a weakly prime, because it can be changed into another prime (1325933579) by changing a digit.

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 as a sum of consecutive naturals, namely, 662969789 + 662969790.

It is an arithmetic number, because the mean of its divisors is an integer number (662969790).

Almost surely, 2^1325939579 is an apocalyptic number.

1325939579 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325939579 is an equidigital number, since it uses as much as digits as its factorization.

1325939579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2296350, while the sum is 53.

The square root of 1325939579 is about 36413.4532693619. The cubic root of 1325939579 is about 1098.6041741684.

The spelling of 1325939579 in words is "one billion, three hundred twenty-five million, nine hundred thirty-nine thousand, five hundred seventy-nine".