105272025 has 12 divisors (see below), whose sum is σ = 174049872. Its totient is φ = 56145040.

The previous prime is 105272023. The next prime is 105272039. The reversal of 105272025 is 520272501.

It is not a de Polignac number, because 105272025 - 2¹ = 105272023 is a prime.

It is a super-2 number, since 2×105272025² = 22164398495201250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105271986 and 105272004.

It is not an unprimeable number, because it can be changed into a prime (105272021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 701739 + ... + 701888.

It is an arithmetic number, because the mean of its divisors is an integer number (14504156).

Almost surely, 2^105272025 is an apocalyptic number.

105272025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105272025 is a deficient number, since it is larger than the sum of its proper divisors (68777847).

105272025 is a wasteful number, since it uses less digits than its factorization.

105272025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403640 (or 1403635 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 105272025 is about 10260.2156410087. The cubic root of 105272025 is about 472.1764532855.

The spelling of 105272025 in words is "one hundred five million, two hundred seventy-two thousand, twenty-five".