831925513 has 8 divisors (see below), whose sum is σ = 838764000. Its totient is φ = 825098400.

The previous prime is 831925489. The next prime is 831925519. The reversal of 831925513 is 315529138.

It is a happy number.

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 831925513 - 2¹⁷ = 831794441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (831925519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203338 + ... + 207388.

It is an arithmetic number, because the mean of its divisors is an integer number (104845500).

Almost surely, 2^831925513 is an apocalyptic number.

It is an amenable number.

831925513 is a deficient number, since it is larger than the sum of its proper divisors (6838487).

831925513 is a wasteful number, since it uses less digits than its factorization.

831925513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5687.

The product of its digits is 32400, while the sum is 37.

The square root of 831925513 is about 28843.1189887640. The cubic root of 831925513 is about 940.5058063233.

The spelling of 831925513 in words is "eight hundred thirty-one million, nine hundred twenty-five thousand, five hundred thirteen".