105243893 has 2 divisors, whose sum is σ = 105243894. Its totient is φ = 105243892.

The previous prime is 105243863. The next prime is 105243911. The reversal of 105243893 is 398342501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94439524 + 10804369 = 9718^2 + 3287^2 .

It is a cyclic number.

It is not a de Polignac number, because 105243893 - 2¹⁴ = 105227509 is a prime.

It is a super-2 number, since 2×105243893² = 22152554027590898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105243863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52621946 + 52621947.

It is an arithmetic number, because the mean of its divisors is an integer number (52621947).

Almost surely, 2^105243893 is an apocalyptic number.

It is an amenable number.

105243893 is a deficient number, since it is larger than the sum of its proper divisors (1).

105243893 is an equidigital number, since it uses as much as digits as its factorization.

105243893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 105243893 is about 10258.8446230558. The cubic root of 105243893 is about 472.1343893994.

The spelling of 105243893 in words is "one hundred five million, two hundred forty-three thousand, eight hundred ninety-three".