694086725 has 12 divisors (see below), whose sum is σ = 890346660. Its totient is φ = 536121600.

The previous prime is 694086721. The next prime is 694086733. The reversal of 694086725 is 527680496.

It can be written as a sum of positive squares in 6 ways, for example, as 48469444 + 645617281 = 6962^2 + 25409^2 .

It is not a de Polignac number, because 694086725 - 2² = 694086721 is a prime.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 694086725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694086721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 477956 + ... + 479405.

It is an arithmetic number, because the mean of its divisors is an integer number (74195555).

Almost surely, 2^694086725 is an apocalyptic number.

It is an amenable number.

694086725 is a deficient number, since it is larger than the sum of its proper divisors (196259935).

694086725 is a wasteful number, since it uses less digits than its factorization.

694086725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957400 (or 957395 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 694086725 is about 26345.5257112095. The cubic root of 694086725 is about 885.3967280831.

The spelling of 694086725 in words is "six hundred ninety-four million, eighty-six thousand, seven hundred twenty-five".