825665046 has 16 divisors (see below), whose sum is σ = 1652309184. Its totient is φ = 275058504.

The previous prime is 825665039. The next prime is 825665047. The reversal of 825665046 is 640566528.

It is a junction number, because it is equal to n+sod(n) for n = 825664989 and 825665007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825665047) 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, 29596 + ... + 50271.

It is an arithmetic number, because the mean of its divisors is an integer number (103269324).

Almost surely, 2^825665046 is an apocalyptic number.

825665046 is an abundant number, since it is smaller than the sum of its proper divisors (826644138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

825665046 is a wasteful number, since it uses less digits than its factorization.

825665046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81595.

The product of its (nonzero) digits is 345600, while the sum is 42.

The square root of 825665046 is about 28734.3878654131. The cubic root of 825665046 is about 938.1406758126.

The spelling of 825665046 in words is "eight hundred twenty-five million, six hundred sixty-five thousand, forty-six".