105492019 has 2 divisors, whose sum is σ = 105492020. Its totient is φ = 105492018.

The previous prime is 105492011. The next prime is 105492043. The reversal of 105492019 is 910294501.

It is a weak prime.

It is an emirp because it is prime and its reverse (910294501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105492019 - 2³ = 105492011 is a prime.

It is a super-2 number, since 2×105492019² = 22257132145392722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105492011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52746009 + 52746010.

It is an arithmetic number, because the mean of its divisors is an integer number (52746010).

Almost surely, 2^105492019 is an apocalyptic number.

105492019 is a deficient number, since it is larger than the sum of its proper divisors (1).

105492019 is an equidigital number, since it uses as much as digits as its factorization.

105492019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 105492019 is about 10270.9307757379. The cubic root of 105492019 is about 472.5051373516.

The spelling of 105492019 in words is "one hundred five million, four hundred ninety-two thousand, nineteen".