105804251 has 8 divisors (see below), whose sum is σ = 121223904. Its totient is φ = 90460800.

The previous prime is 105804241. The next prime is 105804253. The reversal of 105804251 is 152408501.

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 105804251 - 2¹⁰ = 105803227 is a prime.

It is a super-2 number, since 2×105804251² = 22389079059342002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105804251.

It is not an unprimeable number, because it can be changed into a prime (105804253) 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, 16040 + ... + 21653.

It is an arithmetic number, because the mean of its divisors is an integer number (15152988).

Almost surely, 2^105804251 is an apocalyptic number.

105804251 is a deficient number, since it is larger than the sum of its proper divisors (15419653).

105804251 is an equidigital number, since it uses as much as digits as its factorization.

105804251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38101.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 105804251 is about 10286.1193362706. The cubic root of 105804251 is about 472.9708468639.

The spelling of 105804251 in words is "one hundred five million, eight hundred four thousand, two hundred fifty-one".