68315601 has 4 divisors (see below), whose sum is σ = 91087472. Its totient is φ = 45543732.

The previous prime is 68315593. The next prime is 68315603. The reversal of 68315601 is 10651386.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 68315601 - 2³ = 68315593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68315603) 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 3 ways as a sum of consecutive naturals, for example, 11385931 + ... + 11385936.

It is an arithmetic number, because the mean of its divisors is an integer number (22771868).

Almost surely, 2^68315601 is an apocalyptic number.

It is an amenable number.

68315601 is a deficient number, since it is larger than the sum of its proper divisors (22771871).

68315601 is a wasteful number, since it uses less digits than its factorization.

68315601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22771870.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 68315601 is about 8265.3252204617. The cubic root of 68315601 is about 408.7959938518.

Adding to 68315601 its reverse (10651386), we get a palindrome (78966987).

The spelling of 68315601 in words is "sixty-eight million, three hundred fifteen thousand, six hundred one".