105018025 has 48 divisors (see below), whose sum is σ = 156438400. Its totient is φ = 69854400.

The previous prime is 105018007. The next prime is 105018037. The reversal of 105018025 is 520810501.

It is not a de Polignac number, because 105018025 - 2⁷ = 105017897 is a prime.

It is a super-2 number, since 2×105018025² = 22057571149801250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105017987 and 105018005.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 317110 + ... + 317440.

Almost surely, 2^105018025 is an apocalyptic number.

It is an amenable number.

105018025 is a deficient number, since it is larger than the sum of its proper divisors (51420375).

105018025 is an equidigital number, since it uses as much as digits as its factorization.

105018025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 105018025 is about 10247.8302581571. The cubic root of 105018025 is about 471.7963921804.

Adding to 105018025 its reverse (520810501), we get a palindrome (625828526).

The spelling of 105018025 in words is "one hundred five million, eighteen thousand, twenty-five".