825066697 has 32 divisors (see below), whose sum is σ = 1072332800. Its totient is φ = 616465728.

The previous prime is 825066637. The next prime is 825066707. The reversal of 825066697 is 796660528.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 825066697 - 2⁷ = 825066569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 825066697.

It is not an unprimeable number, because it can be changed into a prime (825066607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 758488 + ... + 759574.

It is an arithmetic number, because the mean of its divisors is an integer number (33510400).

Almost surely, 2^825066697 is an apocalyptic number.

It is an amenable number.

825066697 is a deficient number, since it is larger than the sum of its proper divisors (247266103).

825066697 is a wasteful number, since it uses less digits than its factorization.

825066697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 825066697 is about 28723.9742549669. The cubic root of 825066697 is about 937.9140014931.

It can be divided in two parts, 8250 and 66697, that added together give a palindrome (74947).

The spelling of 825066697 in words is "eight hundred twenty-five million, sixty-six thousand, six hundred ninety-seven".