696090625 has 24 divisors (see below), whose sum is σ = 900176760. Its totient is φ = 537600000.

The previous prime is 696090623. The next prime is 696090641. The reversal of 696090625 is 526090696.

It can be written as a sum of positive squares in 12 ways, for example, as 679801329 + 16289296 = 26073^2 + 4036^2 .

It is not a de Polignac number, because 696090625 - 2¹ = 696090623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696090623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86785 + ... + 94465.

It is an arithmetic number, because the mean of its divisors is an integer number (37507365).

It is a Proth number, since it is equal to 21243 ⋅ 2¹⁵ + 1 and 21243 < 2¹⁵.

Almost surely, 2^696090625 is an apocalyptic number.

It is an amenable number.

696090625 is a deficient number, since it is larger than the sum of its proper divisors (204086135).

696090625 is an frugal number, since it uses more digits than its factorization.

696090625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7735 (or 7715 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 696090625 is about 26383.5294265191. The cubic root of 696090625 is about 886.2479866245.

The spelling of 696090625 in words is "six hundred ninety-six million, ninety thousand, six hundred twenty-five".