105310025 has 6 divisors (see below), whose sum is σ = 130584462. Its totient is φ = 84248000.

The previous prime is 105310021. The next prime is 105310043. The reversal of 105310025 is 520013501.

It can be written as a sum of positive squares in 3 ways, for example, as 21904 + 105288121 = 148^2 + 10261^2 .

It is not a de Polignac number, because 105310025 - 2² = 105310021 is a prime.

It is a super-2 number, since 2×105310025² = 22180402731001250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 105309985 and 105310012.

It is not an unprimeable number, because it can be changed into a prime (105310021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2106176 + ... + 2106225.

It is an arithmetic number, because the mean of its divisors is an integer number (21764077).

Almost surely, 2^105310025 is an apocalyptic number.

It is an amenable number.

105310025 is a deficient number, since it is larger than the sum of its proper divisors (25274437).

105310025 is an equidigital number, since it uses as much as digits as its factorization.

105310025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4212411 (or 4212406 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 105310025 is about 10262.0672868579. The cubic root of 105310025 is about 472.2332602315.

Adding to 105310025 its reverse (520013501), we get a palindrome (625323526).

The spelling of 105310025 in words is "one hundred five million, three hundred ten thousand, twenty-five".