105425899 has 2 divisors, whose sum is σ = 105425900. Its totient is φ = 105425898.

The previous prime is 105425897. The next prime is 105425909. The reversal of 105425899 is 998524501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105425899 - 2¹ = 105425897 is a prime.

It is a super-2 number, since 2×105425899² = 22229240359916402, which contains 22 as substring.

Together with 105425897, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (105425897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52712949 + 52712950.

It is an arithmetic number, because the mean of its divisors is an integer number (52712950).

Almost surely, 2^105425899 is an apocalyptic number.

105425899 is a deficient number, since it is larger than the sum of its proper divisors (1).

105425899 is an equidigital number, since it uses as much as digits as its factorization.

105425899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 43.

The square root of 105425899 is about 10267.7114782214. The cubic root of 105425899 is about 472.4063982258.

The spelling of 105425899 in words is "one hundred five million, four hundred twenty-five thousand, eight hundred ninety-nine".