181100053 has 2 divisors, whose sum is σ = 181100054. Its totient is φ = 181100052.

The previous prime is 181100027. The next prime is 181100057. The reversal of 181100053 is 350001181.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142635249 + 38464804 = 11943^2 + 6202^2 .

It is an emirp because it is prime and its reverse (350001181) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 181100053 - 2¹⁷ = 180968981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 181100053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (181100057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90550026 + 90550027.

It is an arithmetic number, because the mean of its divisors is an integer number (90550027).

Almost surely, 2^181100053 is an apocalyptic number.

It is an amenable number.

181100053 is a deficient number, since it is larger than the sum of its proper divisors (1).

181100053 is an equidigital number, since it uses as much as digits as its factorization.

181100053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 181100053 is about 13457.3419738075. The cubic root of 181100053 is about 565.7694926804.

The spelling of 181100053 in words is "one hundred eighty-one million, one hundred thousand, fifty-three".