105055025 has 24 divisors (see below), whose sum is σ = 134928120. Its totient is φ = 81077760.

The previous prime is 105055021. The next prime is 105055037. The reversal of 105055025 is 520550501.

It can be written as a sum of positive squares in 12 ways, for example, as 5234944 + 99820081 = 2288^2 + 9991^2 .

It is not a de Polignac number, because 105055025 - 2² = 105055021 is a prime.

It is a super-2 number, since 2×105055025² = 22073116555501250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105055021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126311 + ... + 127139.

It is an arithmetic number, because the mean of its divisors is an integer number (5622005).

Almost surely, 2^105055025 is an apocalyptic number.

It is an amenable number.

105055025 is a deficient number, since it is larger than the sum of its proper divisors (29873095).

105055025 is a wasteful number, since it uses less digits than its factorization.

105055025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013 (or 1008 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 23.

The square root of 105055025 is about 10249.6353593677. The cubic root of 105055025 is about 471.8517935169.

The spelling of 105055025 in words is "one hundred five million, fifty-five thousand, twenty-five".