825350538 has 32 divisors (see below), whose sum is σ = 1813132800. Its totient is φ = 249304176.

The previous prime is 825350509. The next prime is 825350543. The reversal of 825350538 is 835053528.

It is a junction number, because it is equal to n+sod(n) for n = 825350496 and 825350505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154768 + ... + 160011.

It is an arithmetic number, because the mean of its divisors is an integer number (56660400).

Almost surely, 2^825350538 is an apocalyptic number.

825350538 is an abundant number, since it is smaller than the sum of its proper divisors (987782262).

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

825350538 is a wasteful number, since it uses less digits than its factorization.

825350538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314826.

The product of its (nonzero) digits is 144000, while the sum is 39.

The square root of 825350538 is about 28728.9146679787. The cubic root of 825350538 is about 938.0215434759.

The spelling of 825350538 in words is "eight hundred twenty-five million, three hundred fifty thousand, five hundred thirty-eight".