693813125 has 20 divisors (see below), whose sum is σ = 868981212. Its totient is φ = 553776000.

The previous prime is 693813119. The next prime is 693813157. The reversal of 693813125 is 521318396.

It is a happy number.

It can be written as a sum of positive squares in 10 ways, for example, as 598438369 + 95374756 = 24463^2 + 9766^2 .

It is not a de Polignac number, because 693813125 - 2¹² = 693809029 is a prime.

It is a Duffinian number.

It is a congruent number.

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 19 ways as a sum of consecutive naturals, for example, 347129 + ... + 349121.

Almost surely, 2^693813125 is an apocalyptic number.

It is an amenable number.

693813125 is a deficient number, since it is larger than the sum of its proper divisors (175168087).

693813125 is an equidigital number, since it uses as much as digits as its factorization.

693813125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2570 (or 2555 counting only the distinct ones).

The product of its digits is 38880, while the sum is 38.

The square root of 693813125 is about 26340.3326668438. The cubic root of 693813125 is about 885.2803754848.

The spelling of 693813125 in words is "six hundred ninety-three million, eight hundred thirteen thousand, one hundred twenty-five".