105225839 has 2 divisors, whose sum is σ = 105225840. Its totient is φ = 105225838.

The previous prime is 105225787. The next prime is 105225847. The reversal of 105225839 is 938522501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105225839 - 2¹⁶ = 105160303 is a prime.

It is a super-2 number, since 2×105225839² = 22144954386507842, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105225799 and 105225808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105225899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52612919 + 52612920.

It is an arithmetic number, because the mean of its divisors is an integer number (52612920).

Almost surely, 2^105225839 is an apocalyptic number.

105225839 is a deficient number, since it is larger than the sum of its proper divisors (1).

105225839 is an equidigital number, since it uses as much as digits as its factorization.

105225839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 105225839 is about 10257.9646616666. The cubic root of 105225839 is about 472.1073905194.

It can be divided in two parts, 10522 and 5839, that added together give a palindrome (16361).

The spelling of 105225839 in words is "one hundred five million, two hundred twenty-five thousand, eight hundred thirty-nine".