355981201 has 2 divisors, whose sum is σ = 355981202. Its totient is φ = 355981200.

The previous prime is 355981183. The next prime is 355981217. The reversal of 355981201 is 102189553.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 231770176 + 124211025 = 15224^2 + 11145^2 .

It is an emirp because it is prime and its reverse (102189553) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 355981201 - 2¹⁵ = 355948433 is a prime.

It is not a weakly prime, because it can be changed into another prime (355981261) 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, 177990600 + 177990601.

It is an arithmetic number, because the mean of its divisors is an integer number (177990601).

Almost surely, 2^355981201 is an apocalyptic number.

It is an amenable number.

355981201 is a deficient number, since it is larger than the sum of its proper divisors (1).

355981201 is an equidigital number, since it uses as much as digits as its factorization.

355981201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 355981201 is about 18867.4640850327. The cubic root of 355981201 is about 708.7216307503.

The spelling of 355981201 in words is "three hundred fifty-five million, nine hundred eighty-one thousand, two hundred one".