696820825 has 24 divisors (see below), whose sum is σ = 884800512. Its totient is φ = 544139520.

The previous prime is 696820823. The next prime is 696820849. The reversal of 696820825 is 528028696.

It is not a de Polignac number, because 696820825 - 2¹ = 696820823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (696820823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 712737 + ... + 713713.

It is an arithmetic number, because the mean of its divisors is an integer number (36866688).

Almost surely, 2^696820825 is an apocalyptic number.

It is an amenable number.

696820825 is a deficient number, since it is larger than the sum of its proper divisors (187979687).

696820825 is a wasteful number, since it uses less digits than its factorization.

696820825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641 (or 1636 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 696820825 is about 26397.3639782460. The cubic root of 696820825 is about 886.5577701045.

The spelling of 696820825 in words is "six hundred ninety-six million, eight hundred twenty thousand, eight hundred twenty-five".