1325000638825 has 12 divisors (see below), whose sum is σ = 1653080556688. Its totient is φ = 1053497437200.

The previous prime is 1325000638823. The next prime is 1325000638879. The reversal of 1325000638825 is 5288360005231.

It is not a de Polignac number, because 1325000638825 - 2¹ = 1325000638823 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1325000638823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 162572691 + ... + 162580840.

Almost surely, 2^{1325000638825} is an apocalyptic number.

It is an amenable number.

1325000638825 is a deficient number, since it is larger than the sum of its proper divisors (328079917863).

1325000638825 is a wasteful number, since it uses less digits than its factorization.

1325000638825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325153704 (or 325153699 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 1325000638825 in words is "one trillion, three hundred twenty-five billion, six hundred thirty-eight thousand, eight hundred twenty-five".