825403975725 has 24 divisors (see below), whose sum is σ = 1559620465600. Its totient is φ = 377327531520.

The previous prime is 825403975703. The next prime is 825403975727. The reversal of 825403975725 is 527579304528.

It is not a de Polignac number, because 825403975725 - 2⁶ = 825403975661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825403975727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 786098500 + ... + 786099549.

Almost surely, 2^825403975725 is an apocalyptic number.

It is an amenable number.

825403975725 is a deficient number, since it is larger than the sum of its proper divisors (734216489875).

825403975725 is a wasteful number, since it uses less digits than its factorization.

825403975725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572198069 (or 1572198064 counting only the distinct ones).

The product of its (nonzero) digits is 21168000, while the sum is 57.

The spelling of 825403975725 in words is "eight hundred twenty-five billion, four hundred three million, nine hundred seventy-five thousand, seven hundred twenty-five".