825493394527 has 8 divisors (see below), whose sum is σ = 832940972640. Its totient is φ = 818048313600.

The previous prime is 825493394521. The next prime is 825493394563. The reversal of 825493394527 is 725493394528.

It is a happy number.

825493394527 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 825493394527 - 2⁷ = 825493394399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825493394521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43027 + ... + 1285627.

It is an arithmetic number, because the mean of its divisors is an integer number (104117621580).

Almost surely, 2^825493394527 is an apocalyptic number.

825493394527 is a deficient number, since it is larger than the sum of its proper divisors (7447578113).

825493394527 is a wasteful number, since it uses less digits than its factorization.

825493394527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248593.

The product of its digits is 65318400, while the sum is 61.

Subtracting from 825493394527 its reverse (725493394528), we obtain a palindrome (99999999999).

The spelling of 825493394527 in words is "eight hundred twenty-five billion, four hundred ninety-three million, three hundred ninety-four thousand, five hundred twenty-seven".