688212053 has 8 divisors (see below), whose sum is σ = 724703520. Its totient is φ = 651747600.

The previous prime is 688212047. The next prime is 688212061. The reversal of 688212053 is 350212886.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 688212053 - 2⁶ = 688211989 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 (688212043) 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 7 ways as a sum of consecutive naturals, for example, 65426 + ... + 75212.

It is an arithmetic number, because the mean of its divisors is an integer number (90587940).

Almost surely, 2^688212053 is an apocalyptic number.

It is an amenable number.

688212053 is a deficient number, since it is larger than the sum of its proper divisors (36491467).

688212053 is a wasteful number, since it uses less digits than its factorization.

688212053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13507.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 688212053 is about 26233.7960082029. The cubic root of 688212053 is about 882.8916811364.

The spelling of 688212053 in words is "six hundred eighty-eight million, two hundred twelve thousand, fifty-three".