105047953 has 4 divisors (see below), whose sum is σ = 105349300. Its totient is φ = 104746608.

The previous prime is 105047939. The next prime is 105047963. The reversal of 105047953 is 359740501.

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 29844369 + 75203584 = 5463^2 + 8672^2 .

It is a cyclic number.

It is not a de Polignac number, because 105047953 - 2¹³ = 105039761 is a prime.

It is a super-2 number, since 2×105047953² = 22070144858980418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105047963) 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, 150150 + ... + 150847.

It is an arithmetic number, because the mean of its divisors is an integer number (26337325).

Almost surely, 2^105047953 is an apocalyptic number.

It is an amenable number.

105047953 is a deficient number, since it is larger than the sum of its proper divisors (301347).

105047953 is an equidigital number, since it uses as much as digits as its factorization.

105047953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301346.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 105047953 is about 10249.2903656790. The cubic root of 105047953 is about 471.8412053806.

The spelling of 105047953 in words is "one hundred five million, forty-seven thousand, nine hundred fifty-three".