68242253 has 8 divisors (see below), whose sum is σ = 70784256. Its totient is φ = 65721600.

The previous prime is 68242241. The next prime is 68242259. The reversal of 68242253 is 35224286.

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 68242253 - 2¹⁴ = 68225869 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 (68242259) 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, 1325 + ... + 11757.

It is an arithmetic number, because the mean of its divisors is an integer number (8848032).

Almost surely, 2^68242253 is an apocalyptic number.

It is an amenable number.

68242253 is a deficient number, since it is larger than the sum of its proper divisors (2542003).

68242253 is a wasteful number, since it uses less digits than its factorization.

68242253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10675.

The product of its digits is 23040, while the sum is 32.

The square root of 68242253 is about 8260.8869378536. The cubic root of 68242253 is about 408.6496382826.

The spelling of 68242253 in words is "sixty-eight million, two hundred forty-two thousand, two hundred fifty-three".