1325125625 has 20 divisors (see below), whose sum is σ = 1694420112. Its totient is φ = 1035426000.

The previous prime is 1325125621. The next prime is 1325125691. The reversal of 1325125625 is 5265215231.

It is not a de Polignac number, because 1325125625 - 2² = 1325125621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1325125591 and 1325125600.

It is not an unprimeable number, because it can be changed into a prime (1325125621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2222 + ... + 51528.

Almost surely, 2^1325125625 is an apocalyptic number.

It is an amenable number.

1325125625 is a deficient number, since it is larger than the sum of its proper divisors (369294487).

1325125625 is an frugal number, since it uses more digits than its factorization.

1325125625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49370 (or 49355 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The square root of 1325125625 is about 36402.2749975877. The cubic root of 1325125625 is about 1098.3793282515.

The spelling of 1325125625 in words is "one billion, three hundred twenty-five million, one hundred twenty-five thousand, six hundred twenty-five".