355379081 has 2 divisors, whose sum is σ = 355379082. Its totient is φ = 355379080.

The previous prime is 355379053. The next prime is 355379093. The reversal of 355379081 is 180973553.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 329785600 + 25593481 = 18160^2 + 5059^2 .

It is an emirp because it is prime and its reverse (180973553) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-355379081 is a prime.

It is a super-2 number, since 2×355379081² = 252588582424809122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (355379041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177689540 + 177689541.

It is an arithmetic number, because the mean of its divisors is an integer number (177689541).

Almost surely, 2^355379081 is an apocalyptic number.

It is an amenable number.

355379081 is a deficient number, since it is larger than the sum of its proper divisors (1).

355379081 is an equidigital number, since it uses as much as digits as its factorization.

355379081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 355379081 is about 18851.5007625388. The cubic root of 355379081 is about 708.3218191008.

The spelling of 355379081 in words is "three hundred fifty-five million, three hundred seventy-nine thousand, eighty-one".