536553181 has 2 divisors, whose sum is σ = 536553182. Its totient is φ = 536553180.

The previous prime is 536553163. The next prime is 536553203. The reversal of 536553181 is 181355635.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 378925156 + 157628025 = 19466^2 + 12555^2 .

It is a cyclic number.

It is not a de Polignac number, because 536553181 - 2⁹ = 536552669 is a prime.

It is a super-2 number, since 2×536553181² = 575778632082437522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 536553181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (536553161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268276590 + 268276591.

It is an arithmetic number, because the mean of its divisors is an integer number (268276591).

Almost surely, 2^536553181 is an apocalyptic number.

It is an amenable number.

536553181 is a deficient number, since it is larger than the sum of its proper divisors (1).

536553181 is an equidigital number, since it uses as much as digits as its factorization.

536553181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54000, while the sum is 37.

The square root of 536553181 is about 23163.6176146991. The cubic root of 536553181 is about 812.5889731678.

The spelling of 536553181 in words is "five hundred thirty-six million, five hundred fifty-three thousand, one hundred eighty-one".