105724273 has 2 divisors, whose sum is σ = 105724274. Its totient is φ = 105724272.

The previous prime is 105724253. The next prime is 105724313. The reversal of 105724273 is 372427501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90098064 + 15626209 = 9492^2 + 3953^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105724273 is a prime.

It is a super-2 number, since 2×105724273² = 22355243802757058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105724243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52862136 + 52862137.

It is an arithmetic number, because the mean of its divisors is an integer number (52862137).

Almost surely, 2^105724273 is an apocalyptic number.

It is an amenable number.

105724273 is a deficient number, since it is larger than the sum of its proper divisors (1).

105724273 is an equidigital number, since it uses as much as digits as its factorization.

105724273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 105724273 is about 10282.2309349674. The cubic root of 105724273 is about 472.8516430911.

The spelling of 105724273 in words is "one hundred five million, seven hundred twenty-four thousand, two hundred seventy-three".