693285253 has 4 divisors (see below), whose sum is σ = 698744320. Its totient is φ = 687826188.

The previous prime is 693285227. The next prime is 693285289. The reversal of 693285253 is 352582396.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 693285253 - 2⁵ = 693285221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (693280253) 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 3 ways as a sum of consecutive naturals, for example, 2729343 + ... + 2729596.

It is an arithmetic number, because the mean of its divisors is an integer number (174686080).

Almost surely, 2^693285253 is an apocalyptic number.

It is an amenable number.

693285253 is a deficient number, since it is larger than the sum of its proper divisors (5459067).

693285253 is a wasteful number, since it uses less digits than its factorization.

693285253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5459066.

The product of its digits is 388800, while the sum is 43.

The square root of 693285253 is about 26330.3105374775. The cubic root of 693285253 is about 885.0558033482.

The spelling of 693285253 in words is "six hundred ninety-three million, two hundred eighty-five thousand, two hundred fifty-three".