825534433527 has 32 divisors (see below), whose sum is σ = 1203585822720. Its totient is φ = 501052469760.

The previous prime is 825534433483. The next prime is 825534433543. The reversal of 825534433527 is 725334435528.

It is not a de Polignac number, because 825534433527 - 2¹² = 825534429431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 825534433527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825534438527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3511374 + ... + 3739092.

It is an arithmetic number, because the mean of its divisors is an integer number (37612056960).

Almost surely, 2^825534433527 is an apocalyptic number.

825534433527 is a deficient number, since it is larger than the sum of its proper divisors (378051389193).

825534433527 is a wasteful number, since it uses less digits than its factorization.

825534433527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230063.

The product of its digits is 12096000, while the sum is 51.

The spelling of 825534433527 in words is "eight hundred twenty-five billion, five hundred thirty-four million, four hundred thirty-three thousand, five hundred twenty-seven".