355605361 has 4 divisors (see below), whose sum is σ = 355659892. Its totient is φ = 355550832.

The previous prime is 355605359. The next prime is 355605373. The reversal of 355605361 is 163506553.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 263445361 + 92160000 = 16231^2 + 9600^2 .

It is a cyclic number.

It is not a de Polignac number, because 355605361 - 2¹ = 355605359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355605301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15906 + ... + 31051.

It is an arithmetic number, because the mean of its divisors is an integer number (88914973).

Almost surely, 2^355605361 is an apocalyptic number.

It is an amenable number.

355605361 is a deficient number, since it is larger than the sum of its proper divisors (54531).

355605361 is an equidigital number, since it uses as much as digits as its factorization.

355605361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54530.

The product of its (nonzero) digits is 40500, while the sum is 34.

The square root of 355605361 is about 18857.5014516770. The cubic root of 355605361 is about 708.4721234413.

The spelling of 355605361 in words is "three hundred fifty-five million, six hundred five thousand, three hundred sixty-one".