825165942 has 32 divisors (see below), whose sum is σ = 1709959680. Its totient is φ = 265147680.

The previous prime is 825165931. The next prime is 825165949. The reversal of 825165942 is 249561528.

It is a junction number, because it is equal to n+sod(n) for n = 825165894 and 825165903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825165949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116803 + ... + 123665.

It is an arithmetic number, because the mean of its divisors is an integer number (53436240).

Almost surely, 2^825165942 is an apocalyptic number.

825165942 is an abundant number, since it is smaller than the sum of its proper divisors (884793738).

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

825165942 is a wasteful number, since it uses less digits than its factorization.

825165942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7588.

The product of its digits is 172800, while the sum is 42.

The square root of 825165942 is about 28725.7017668847. The cubic root of 825165942 is about 937.9516063491.

The spelling of 825165942 in words is "eight hundred twenty-five million, one hundred sixty-five thousand, nine hundred forty-two".