355775213 has 2 divisors, whose sum is σ = 355775214. Its totient is φ = 355775212.

The previous prime is 355775207. The next prime is 355775257. The reversal of 355775213 is 312577553.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 355775044 + 169 = 18862^2 + 13^2 .

It is a cyclic number.

It is not a de Polignac number, because 355775213 - 2¹⁸ = 355513069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355775263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177887606 + 177887607.

It is an arithmetic number, because the mean of its divisors is an integer number (177887607).

Almost surely, 2^355775213 is an apocalyptic number.

It is an amenable number.

355775213 is a deficient number, since it is larger than the sum of its proper divisors (1).

355775213 is an equidigital number, since it uses as much as digits as its factorization.

355775213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110250, while the sum is 38.

The square root of 355775213 is about 18862.0044799062. The cubic root of 355775213 is about 708.5849041305.

The spelling of 355775213 in words is "three hundred fifty-five million, seven hundred seventy-five thousand, two hundred thirteen".