68113501 has 4 divisors (see below), whose sum is σ = 68293600. Its totient is φ = 67933404.

The previous prime is 68113483. The next prime is 68113517. The reversal of 68113501 is 10531186.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10531186 = 2 ⋅5265593.

It is a cyclic number.

It is not a de Polignac number, because 68113501 - 2¹³ = 68105309 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 (68113561) 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 3 ways as a sum of consecutive naturals, for example, 89481 + ... + 90238.

It is an arithmetic number, because the mean of its divisors is an integer number (17073400).

Almost surely, 2^68113501 is an apocalyptic number.

It is an amenable number.

68113501 is a deficient number, since it is larger than the sum of its proper divisors (180099).

68113501 is a wasteful number, since it uses less digits than its factorization.

68113501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180098.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 68113501 is about 8253.0903908778. The cubic root of 68113501 is about 408.3924780449.

Adding to 68113501 its reverse (10531186), we get a palindrome (78644687).

It can be divided in two parts, 68 and 113501, that added together give a square (113569 = 337²).

The spelling of 68113501 in words is "sixty-eight million, one hundred thirteen thousand, five hundred one".