68251085 has 16 divisors (see below), whose sum is σ = 94281600. Its totient is φ = 46460736.

The previous prime is 68251081. The next prime is 68251103. The reversal of 68251085 is 58015286.

It is a happy number.

It is not a de Polignac number, because 68251085 - 2² = 68251081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68251081) 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 15 ways as a sum of consecutive naturals, for example, 2150 + ... + 11879.

It is an arithmetic number, because the mean of its divisors is an integer number (5892600).

Almost surely, 2^68251085 is an apocalyptic number.

It is an amenable number.

68251085 is a deficient number, since it is larger than the sum of its proper divisors (26030515).

68251085 is a wasteful number, since it uses less digits than its factorization.

68251085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14180.

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 68251085 is about 8261.4214878555. The cubic root of 68251085 is about 408.6672668424.

The spelling of 68251085 in words is "sixty-eight million, two hundred fifty-one thousand, eighty-five".