1325485829 has 2 divisors, whose sum is σ = 1325485830. Its totient is φ = 1325485828.

The previous prime is 1325485813. The next prime is 1325485831. The reversal of 1325485829 is 9285845231.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1303065604 + 22420225 = 36098^2 + 4735^2 .

It is a cyclic number.

It is not a de Polignac number, because 1325485829 - 2⁴ = 1325485813 is a prime.

It is a super-3 number, since 3×1325485829³ (a number of 28 digits) contains 333 as substring.

Together with 1325485831, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1325485849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662742914 + 662742915.

It is an arithmetic number, because the mean of its divisors is an integer number (662742915).

Almost surely, 2^1325485829 is an apocalyptic number.

It is an amenable number.

1325485829 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325485829 is an equidigital number, since it uses as much as digits as its factorization.

1325485829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 691200, while the sum is 47.

The square root of 1325485829 is about 36407.2222093364. Note that the first 4 decimals coincide. The cubic root of 1325485829 is about 1098.4788420327.

The spelling of 1325485829 in words is "one billion, three hundred twenty-five million, four hundred eighty-five thousand, eight hundred twenty-nine".