1325849479 has 2 divisors, whose sum is σ = 1325849480. Its totient is φ = 1325849478.

The previous prime is 1325849471. The next prime is 1325849489. The reversal of 1325849479 is 9749485231.

It is a weak prime.

It is an emirp because it is prime and its reverse (9749485231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1325849479 - 2³ = 1325849471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1325849471) 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, 662924739 + 662924740.

It is an arithmetic number, because the mean of its divisors is an integer number (662924740).

Almost surely, 2^1325849479 is an apocalyptic number.

1325849479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325849479 is an equidigital number, since it uses as much as digits as its factorization.

1325849479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 52.

The square root of 1325849479 is about 36412.2160682373. The cubic root of 1325849479 is about 1098.5792895558.

The spelling of 1325849479 in words is "one billion, three hundred twenty-five million, eight hundred forty-nine thousand, four hundred seventy-nine".