825834931 has 4 divisors (see below), whose sum is σ = 848154832. Its totient is φ = 803515032.

The previous prime is 825834907. The next prime is 825834967. The reversal of 825834931 is 139438528.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 825834931 - 2¹⁵ = 825802163 is a prime.

It is a super-2 number, since 2×825834931² = 1364006666519549522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (825834901) 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 3 ways as a sum of consecutive naturals, for example, 11159895 + ... + 11159968.

It is an arithmetic number, because the mean of its divisors is an integer number (212038708).

Almost surely, 2^825834931 is an apocalyptic number.

825834931 is a deficient number, since it is larger than the sum of its proper divisors (22319901).

825834931 is a wasteful number, since it uses less digits than its factorization.

825834931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22319900.

The product of its digits is 207360, while the sum is 43.

The square root of 825834931 is about 28737.3438403761. The cubic root of 825834931 is about 938.2050138877.

The spelling of 825834931 in words is "eight hundred twenty-five million, eight hundred thirty-four thousand, nine hundred thirty-one".