825083538 has 16 divisors (see below), whose sum is σ = 1703398656. Its totient is φ = 266155920.

The previous prime is 825083533. The next prime is 825083551. The reversal of 825083538 is 835380528.

It is a self number, because there is not a number n which added to its sum of digits gives 825083538.

It is not an unprimeable number, because it can be changed into a prime (825083533) 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, 2217781 + ... + 2218152.

It is an arithmetic number, because the mean of its divisors is an integer number (106462416).

Almost surely, 2^825083538 is an apocalyptic number.

825083538 is an abundant number, since it is smaller than the sum of its proper divisors (878315118).

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

825083538 is a wasteful number, since it uses less digits than its factorization.

825083538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4435969.

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 825083538 is about 28724.2674058017. The cubic root of 825083538 is about 937.9203829175.

The spelling of 825083538 in words is "eight hundred twenty-five million, eighty-three thousand, five hundred thirty-eight".