355056005 has 4 divisors (see below), whose sum is σ = 426067212. Its totient is φ = 284044800.

The previous prime is 355055993. The next prime is 355056007. The reversal of 355056005 is 500650553.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500650553 = 13 ⋅38511581.

It can be written as a sum of positive squares in 2 ways, for example, as 120077764 + 234978241 = 10958^2 + 15329^2 .

It is not a de Polignac number, because 355056005 - 2¹² = 355051909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355056007) 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, 35505596 + ... + 35505605.

It is an arithmetic number, because the mean of its divisors is an integer number (106516803).

Almost surely, 2^355056005 is an apocalyptic number.

It is an amenable number.

355056005 is a deficient number, since it is larger than the sum of its proper divisors (71011207).

355056005 is an equidigital number, since it uses as much as digits as its factorization.

355056005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71011206.

The product of its (nonzero) digits is 11250, while the sum is 29.

The square root of 355056005 is about 18842.9298411898. The cubic root of 355056005 is about 708.1071083181.

The spelling of 355056005 in words is "three hundred fifty-five million, fifty-six thousand, five".