105077725 has 6 divisors (see below), whose sum is σ = 130296410. Its totient is φ = 84062160.

The previous prime is 105077699. The next prime is 105077737. The reversal of 105077725 is 527770501.

It can be written as a sum of positive squares in 3 ways, for example, as 20548089 + 84529636 = 4533^2 + 9194^2 .

It is not a de Polignac number, because 105077725 - 2⁷ = 105077597 is a prime.

It is a super-2 number, since 2×105077725² = 22082656582351250, which contains 22 as substring.

It is a congruent number.

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, 2101530 + ... + 2101579.

Almost surely, 2^105077725 is an apocalyptic number.

It is an amenable number.

105077725 is a deficient number, since it is larger than the sum of its proper divisors (25218685).

105077725 is an equidigital number, since it uses as much as digits as its factorization.

105077725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4203119 (or 4203114 counting only the distinct ones).

The product of its (nonzero) digits is 17150, while the sum is 34.

The square root of 105077725 is about 10250.7426560225. The cubic root of 105077725 is about 471.8857765473.

The spelling of 105077725 in words is "one hundred five million, seventy-seven thousand, seven hundred twenty-five".