825634572 has 48 divisors (see below), whose sum is σ = 2252904192. Its totient is φ = 230408640.

The previous prime is 825634567. The next prime is 825634591. The reversal of 825634572 is 275436528.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 110679 + ... + 117902.

It is an arithmetic number, because the mean of its divisors is an integer number (46935504).

Almost surely, 2^825634572 is an apocalyptic number.

It is an amenable number.

825634572 is an abundant number, since it is smaller than the sum of its proper divisors (1427269620).

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

825634572 is a wasteful number, since it uses less digits than its factorization.

825634572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228638 (or 228636 counting only the distinct ones).

The product of its digits is 403200, while the sum is 42.

The square root of 825634572 is about 28733.8575899582. The cubic root of 825634572 is about 938.1291339043.

The spelling of 825634572 in words is "eight hundred twenty-five million, six hundred thirty-four thousand, five hundred seventy-two".