355128253 has 2 divisors, whose sum is σ = 355128254. Its totient is φ = 355128252.

The previous prime is 355128227. The next prime is 355128289. The reversal of 355128253 is 352821553.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198302724 + 156825529 = 14082^2 + 12523^2 .

It is a cyclic number.

It is not a de Polignac number, because 355128253 - 2⁹ = 355127741 is a prime.

It is a super-2 number, since 2×355128253² = 252232152157664018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355128203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177564126 + 177564127.

It is an arithmetic number, because the mean of its divisors is an integer number (177564127).

Almost surely, 2^355128253 is an apocalyptic number.

It is an amenable number.

355128253 is a deficient number, since it is larger than the sum of its proper divisors (1).

355128253 is an equidigital number, since it uses as much as digits as its factorization.

355128253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36000, while the sum is 34.

The square root of 355128253 is about 18844.8468553077. The cubic root of 355128253 is about 708.1551344060.

The spelling of 355128253 in words is "three hundred fifty-five million, one hundred twenty-eight thousand, two hundred fifty-three".