353628181 has 2 divisors, whose sum is σ = 353628182. Its totient is φ = 353628180.

The previous prime is 353628083. The next prime is 353628221. The reversal of 353628181 is 181826353.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222159025 + 131469156 = 14905^2 + 11466^2 .

It is a cyclic number.

It is not a de Polignac number, because 353628181 - 2²⁷ = 219410453 is a prime.

It is a super-2 number, since 2×353628181² = 250105780794737522, 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 353628181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (353628481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176814090 + 176814091.

It is an arithmetic number, because the mean of its divisors is an integer number (176814091).

Almost surely, 2^353628181 is an apocalyptic number.

It is an amenable number.

353628181 is a deficient number, since it is larger than the sum of its proper divisors (1).

353628181 is an equidigital number, since it uses as much as digits as its factorization.

353628181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 37.

The square root of 353628181 is about 18805.0041478326. The cubic root of 353628181 is about 707.1566379423.

The spelling of 353628181 in words is "three hundred fifty-three million, six hundred twenty-eight thousand, one hundred eighty-one".