693257052 has 24 divisors (see below), whose sum is σ = 1618118656. Its totient is φ = 231011568.

The previous prime is 693257017. The next prime is 693257057. The reversal of 693257052 is 250752396.

It is a self number, because there is not a number n which added to its sum of digits gives 693257052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (693257057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40323 + ... + 54885.

Almost surely, 2^693257052 is an apocalyptic number.

It is an amenable number.

693257052 is an abundant number, since it is smaller than the sum of its proper divisors (924861604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

693257052 is a wasteful number, since it uses less digits than its factorization.

693257052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18537 (or 18535 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 693257052 is about 26329.7750085336. The cubic root of 693257052 is about 885.0438026135.

The spelling of 693257052 in words is "six hundred ninety-three million, two hundred fifty-seven thousand, fifty-two".