105401425 has 6 divisors (see below), whose sum is σ = 130697798. Its totient is φ = 84321120.

The previous prime is 105401381. The next prime is 105401431. The reversal of 105401425 is 524104501.

It can be written as a sum of positive squares in 3 ways, for example, as 10163344 + 95238081 = 3188^2 + 9759^2 .

It is not a de Polignac number, because 105401425 - 2⁷ = 105401297 is a prime.

It is a super-2 number, since 2×105401425² = 22218920784061250, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 105401396 and 105401405.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2108004 + ... + 2108053.

Almost surely, 2^105401425 is an apocalyptic number.

It is an amenable number.

105401425 is a deficient number, since it is larger than the sum of its proper divisors (25296373).

105401425 is an equidigital number, since it uses as much as digits as its factorization.

105401425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4216067 (or 4216062 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 105401425 is about 10266.5196147477. The cubic root of 105401425 is about 472.3698399447.

Adding to 105401425 its reverse (524104501), we get a palindrome (629505926).

The spelling of 105401425 in words is "one hundred five million, four hundred one thousand, four hundred twenty-five".