51317101 has 8 divisors (see below), whose sum is σ = 59275584. Its totient is φ = 43907520.

The previous prime is 51317087. The next prime is 51317111. The reversal of 51317101 is 10171315.

51317101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 51317101 - 2⁵ = 51317069 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 (51317111) 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, 137025 + ... + 137398.

It is an arithmetic number, because the mean of its divisors is an integer number (7409448).

Almost surely, 2^51317101 is an apocalyptic number.

It is an amenable number.

51317101 is a deficient number, since it is larger than the sum of its proper divisors (7958483).

51317101 is a wasteful number, since it uses less digits than its factorization.

51317101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274451.

The product of its (nonzero) digits is 105, while the sum is 19.

The square root of 51317101 is about 7163.5955357627. The cubic root of 51317101 is about 371.6099821274.

Adding to 51317101 its reverse (10171315), we get a palindrome (61488416).

The spelling of 51317101 in words is "fifty-one million, three hundred seventeen thousand, one hundred one".