68805253 has 8 divisors (see below), whose sum is σ = 75175776. Its totient is φ = 62454000.

The previous prime is 68805223. The next prime is 68805263. The reversal of 68805253 is 35250886.

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 68805253 - 2⁹ = 68804741 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 (68805223) 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, 3250 + ... + 12172.

It is an arithmetic number, because the mean of its divisors is an integer number (9396972).

Almost surely, 2^68805253 is an apocalyptic number.

It is an amenable number.

68805253 is a deficient number, since it is larger than the sum of its proper divisors (6370523).

68805253 is a wasteful number, since it uses less digits than its factorization.

68805253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9635.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 68805253 is about 8294.8931879802. The cubic root of 68805253 is about 409.7703512665.

The spelling of 68805253 in words is "sixty-eight million, eight hundred five thousand, two hundred fifty-three".