1325485830 has 16 divisors (see below), whose sum is σ = 3181166064. Its totient is φ = 353462880.

The previous prime is 1325485829. The next prime is 1325485831. The reversal of 1325485830 is 385845231.

It is an interprime number because it is at equal distance from previous prime (1325485829) and next prime (1325485831).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325485831) 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 in 7 ways as a sum of consecutive naturals, for example, 22091401 + ... + 22091460.

It is an arithmetic number, because the mean of its divisors is an integer number (198822879).

Almost surely, 2^1325485830 is an apocalyptic number.

1325485830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1325485830 is an abundant number, since it is smaller than the sum of its proper divisors (1855680234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1325485830 is a wasteful number, since it uses less digits than its factorization.

1325485830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44182871.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 1325485830 is about 36407.2222230700. Note that the first 5 decimals coincide. The cubic root of 1325485830 is about 1098.4788423089.

The spelling of 1325485830 in words is "one billion, three hundred twenty-five million, four hundred eighty-five thousand, eight hundred thirty".