105251317 has 8 divisors (see below), whose sum is σ = 111292160. Its totient is φ = 99260640.

The previous prime is 105251309. The next prime is 105251383. The reversal of 105251317 is 713152501.

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 105251317 - 2³ = 105251309 is a prime.

It is a super-2 number, since 2×105251317² = 22155679460468978, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105251291 and 105251300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105251017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8184 + ... + 16657.

It is an arithmetic number, because the mean of its divisors is an integer number (13911520).

Almost surely, 2^105251317 is an apocalyptic number.

It is an amenable number.

105251317 is a deficient number, since it is larger than the sum of its proper divisors (6040843).

105251317 is a wasteful number, since it uses less digits than its factorization.

105251317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25083.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 105251317 is about 10259.2064507934. The cubic root of 105251317 is about 472.1454907349.

The spelling of 105251317 in words is "one hundred five million, two hundred fifty-one thousand, three hundred seventeen".