105531425 has 12 divisors (see below), whose sum is σ = 132085296. Its totient is φ = 83634000.

The previous prime is 105531401. The next prime is 105531443. The reversal of 105531425 is 524135501.

It is not a de Polignac number, because 105531425 - 2⁸ = 105531169 is a prime.

It is a super-2 number, since 2×105531425² = 22273763325061250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105531394 and 105531403.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17051 + ... + 22400.

It is an arithmetic number, because the mean of its divisors is an integer number (11007108).

Almost surely, 2^105531425 is an apocalyptic number.

It is an amenable number.

105531425 is a deficient number, since it is larger than the sum of its proper divisors (26553871).

105531425 is a wasteful number, since it uses less digits than its factorization.

105531425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39568 (or 39563 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 105531425 is about 10272.8489232540. The cubic root of 105531425 is about 472.5639639804.

Adding to 105531425 its reverse (524135501), we get a palindrome (629666926).

The spelling of 105531425 in words is "one hundred five million, five hundred thirty-one thousand, four hundred twenty-five".