1325849847 has 8 divisors (see below), whose sum is σ = 2020342656. Its totient is φ = 757628472.

The previous prime is 1325849843. The next prime is 1325849891. The reversal of 1325849847 is 7489485231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1325849847 - 2² = 1325849843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1325849847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325849843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31567833 + ... + 31567874.

It is an arithmetic number, because the mean of its divisors is an integer number (252542832).

Almost surely, 2^1325849847 is an apocalyptic number.

1325849847 is a deficient number, since it is larger than the sum of its proper divisors (694492809).

1325849847 is an equidigital number, since it uses as much as digits as its factorization.

1325849847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63135717.

The product of its digits is 1935360, while the sum is 51.

The square root of 1325849847 is about 36412.2211214861. The cubic root of 1325849847 is about 1098.5793911956.

The spelling of 1325849847 in words is "one billion, three hundred twenty-five million, eight hundred forty-nine thousand, eight hundred forty-seven".