825931893 has 24 divisors (see below), whose sum is σ = 1192862592. Its totient is φ = 506341504.

The previous prime is 825931891. The next prime is 825931937. The reversal of 825931893 is 398139528.

It is a happy number.

It is not a de Polignac number, because 825931893 - 2¹ = 825931891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825931891) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1406746 + ... + 1407332.

It is an arithmetic number, because the mean of its divisors is an integer number (49702608).

Almost surely, 2^825931893 is an apocalyptic number.

It is an amenable number.

825931893 is a deficient number, since it is larger than the sum of its proper divisors (366930699).

825931893 is an equidigital number, since it uses as much as digits as its factorization.

825931893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241 (or 654 counting only the distinct ones).

The product of its digits is 466560, while the sum is 48.

The square root of 825931893 is about 28739.0308291703. The cubic root of 825931893 is about 938.2417309406.

The spelling of 825931893 in words is "eight hundred twenty-five million, nine hundred thirty-one thousand, eight hundred ninety-three".