1325125425 has 48 divisors (see below), whose sum is σ = 2371723200. Its totient is φ = 648963840.

The previous prime is 1325125421. The next prime is 1325125441. The reversal of 1325125425 is 5245215231.

It is not a de Polignac number, because 1325125425 - 2² = 1325125421 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1325125392 and 1325125401.

It is not an unprimeable number, because it can be changed into a prime (1325125421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 188626 + ... + 195524.

It is an arithmetic number, because the mean of its divisors is an integer number (49410900).

Almost surely, 2^1325125425 is an apocalyptic number.

1325125425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1325125425 is a deficient number, since it is larger than the sum of its proper divisors (1046597775).

1325125425 is a wasteful number, since it uses less digits than its factorization.

1325125425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7122 (or 7117 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 1325125425 is about 36402.2722505066. The cubic root of 1325125425 is about 1098.3792729924.

The spelling of 1325125425 in words is "one billion, three hundred twenty-five million, one hundred twenty-five thousand, four hundred twenty-five".