825082572 has 12 divisors (see below), whose sum is σ = 1925192696. Its totient is φ = 275027520.

The previous prime is 825082553. The next prime is 825082631. The reversal of 825082572 is 275280528.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×825082572² = 1361522501236270368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 825082572.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34378429 + ... + 34378452.

Almost surely, 2^825082572 is an apocalyptic number.

It is an amenable number.

825082572 is an abundant number, since it is smaller than the sum of its proper divisors (1100110124).

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

825082572 is a wasteful number, since it uses less digits than its factorization.

825082572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68756888 (or 68756886 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 825082572 is about 28724.2505907465. The cubic root of 825082572 is about 937.9200168812.

The spelling of 825082572 in words is "eight hundred twenty-five million, eighty-two thousand, five hundred seventy-two".