105425919 has 6 divisors (see below), whose sum is σ = 152281896. Its totient is φ = 70283940.

The previous prime is 105425909. The next prime is 105425941. The reversal of 105425919 is 919524501.

105425919 is a `hidden beast` number, since 10 + 54 + 2 + 591 + 9 = 666.

It is not a de Polignac number, because 105425919 - 2⁷ = 105425791 is a prime.

It is a super-2 number, since 2×105425919² = 22229248793989122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105425909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5856987 + ... + 5857004.

It is an arithmetic number, because the mean of its divisors is an integer number (25380316).

Almost surely, 2^105425919 is an apocalyptic number.

105425919 is a deficient number, since it is larger than the sum of its proper divisors (46855977).

105425919 is a wasteful number, since it uses less digits than its factorization.

105425919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11713997 (or 11713994 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 36.

The square root of 105425919 is about 10267.7124521482. The cubic root of 105425919 is about 472.4064280987.

It can be divided in two parts, 10542 and 5919, that added together give a palindrome (16461).

The spelling of 105425919 in words is "one hundred five million, four hundred twenty-five thousand, nine hundred nineteen".