201106625 has 16 divisors (see below), whose sum is σ = 253815120. Its totient is φ = 159068800.

The previous prime is 201106601. The next prime is 201106637. The reversal of 201106625 is 526601102.

It can be written as a sum of positive squares in 8 ways, for example, as 39740416 + 161366209 = 6304^2 + 12703^2 .

It is a de Polignac number, because none of the positive numbers 2^k-201106625 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201106625.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2087 + ... + 20163.

It is an arithmetic number, because the mean of its divisors is an integer number (15863445).

Almost surely, 2^201106625 is an apocalyptic number.

201106625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201106625 is a deficient number, since it is larger than the sum of its proper divisors (52708495).

201106625 is an equidigital number, since it uses as much as digits as its factorization.

201106625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18181 (or 18171 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 201106625 is about 14181.2067540107. The cubic root of 201106625 is about 585.8801614410.

Adding to 201106625 its reverse (526601102), we get a palindrome (727707727).

The spelling of 201106625 in words is "two hundred one million, one hundred six thousand, six hundred twenty-five".