825923137 has 8 divisors (see below), whose sum is σ = 902732096. Its totient is φ = 751010832.

The previous prime is 825923129. The next prime is 825923159. The reversal of 825923137 is 731329528.

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

It is not a de Polignac number, because 825923137 - 2³ = 825923129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 825923137.

It is not an unprimeable number, because it can be changed into a prime (825923237) 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, 473253 + ... + 474994.

It is an arithmetic number, because the mean of its divisors is an integer number (112841512).

Almost surely, 2^825923137 is an apocalyptic number.

It is an amenable number.

825923137 is a deficient number, since it is larger than the sum of its proper divisors (76808959).

825923137 is a wasteful number, since it uses less digits than its factorization.

825923137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948327.

The product of its digits is 90720, while the sum is 40.

The square root of 825923137 is about 28738.8784923838. The cubic root of 825923137 is about 938.2384153832.

The spelling of 825923137 in words is "eight hundred twenty-five million, nine hundred twenty-three thousand, one hundred thirty-seven".