68254509 has 8 divisors (see below), whose sum is σ = 91067392. Its totient is φ = 45472320.

The previous prime is 68254493. The next prime is 68254519. The reversal of 68254509 is 90545286.

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

It is not a de Polignac number, because 68254509 - 2⁴ = 68254493 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68254519) 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, 1852 + ... + 11829.

It is an arithmetic number, because the mean of its divisors is an integer number (11383424).

Almost surely, 2^68254509 is an apocalyptic number.

It is an amenable number.

68254509 is a deficient number, since it is larger than the sum of its proper divisors (22812883).

68254509 is a wasteful number, since it uses less digits than its factorization.

68254509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15347.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 68254509 is about 8261.6287135165. The cubic root of 68254509 is about 408.6741006939.

The spelling of 68254509 in words is "sixty-eight million, two hundred fifty-four thousand, five hundred nine".