105801797 has 4 divisors (see below), whose sum is σ = 105853356. Its totient is φ = 105750240.

The previous prime is 105801781. The next prime is 105801799. The reversal of 105801797 is 797108501.

It is a Cunningham number, because it is equal to 10286²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 100922116 + 4879681 = 10046^2 + 2209^2 .

It is a cyclic number.

It is not a de Polignac number, because 105801797 - 2⁴ = 105801781 is a prime.

It is a super-2 number, since 2×105801797² = 22388040496858418, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105801797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105801799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22568 + ... + 26849.

It is an arithmetic number, because the mean of its divisors is an integer number (26463339).

Almost surely, 2^105801797 is an apocalyptic number.

It is an amenable number.

105801797 is a deficient number, since it is larger than the sum of its proper divisors (51559).

105801797 is an equidigital number, since it uses as much as digits as its factorization.

105801797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51558.

The product of its (nonzero) digits is 17640, while the sum is 38.

The square root of 105801797 is about 10286.0000486098. Note that the first 4 decimals coincide. The cubic root of 105801797 is about 472.9671901758.

The spelling of 105801797 in words is "one hundred five million, eight hundred one thousand, seven hundred ninety-seven".