696168225 has 27 divisors (see below), whose sum is σ = 1247623923. Its totient is φ = 371078640.

The previous prime is 696168217. The next prime is 696168251. The reversal of 696168225 is 522861696.

The square root of 696168225 is 26385.

It is a perfect power (a square), and thus also a powerful number.

696168225 is a `hidden beast` number, since 6 + 9 + 616 + 8 + 2 + 25 = 666.

It can be written as a sum of positive squares in only one way, i.e., 250620561 + 445547664 = 15831^2 + 21108^2 .

It is not a de Polignac number, because 696168225 - 2³ = 696168217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 394896 + ... + 396654.

Almost surely, 2^696168225 is an apocalyptic number.

696168225 is the 26385-th square number.

696168225 is the 13193-rd centered octagonal number.

It is an amenable number.

696168225 is a deficient number, since it is larger than the sum of its proper divisors (551455698).

696168225 is an equidigital number, since it uses as much as digits as its factorization.

696168225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3534 (or 1767 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The cubic root of 696168225 is about 886.2809182983.

It can be divided in two parts, 69616 and 8225, that added together give a square (77841 = 279²).

The spelling of 696168225 in words is "six hundred ninety-six million, one hundred sixty-eight thousand, two hundred twenty-five".