105556625 has 8 divisors (see below), whose sum is σ = 131734824. Its totient is φ = 84445200.

The previous prime is 105556603. The next prime is 105556663. The reversal of 105556625 is 526655501.

It can be written as a sum of positive squares in 4 ways, for example, as 26204161 + 79352464 = 5119^2 + 8908^2 .

It is not a de Polignac number, because 105556625 - 2¹⁴ = 105540241 is a prime.

It is a super-2 number, since 2×105556625² = 22284402162781250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422102 + ... + 422351.

It is an arithmetic number, because the mean of its divisors is an integer number (16466853).

Almost surely, 2^105556625 is an apocalyptic number.

It is an amenable number.

105556625 is a deficient number, since it is larger than the sum of its proper divisors (26178199).

105556625 is an frugal number, since it uses more digits than its factorization.

105556625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844468 (or 844458 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 35.

The square root of 105556625 is about 10274.0753841891. The cubic root of 105556625 is about 472.6015757285.

The spelling of 105556625 in words is "one hundred five million, five hundred fifty-six thousand, six hundred twenty-five".