355380481 has 2 divisors, whose sum is σ = 355380482. Its totient is φ = 355380480.

The previous prime is 355380479. The next prime is 355380527. The reversal of 355380481 is 184083553.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191130625 + 164249856 = 13825^2 + 12816^2 .

It is a cyclic number.

It is not a de Polignac number, because 355380481 - 2¹ = 355380479 is a prime.

It is a super-2 number, since 2×355380481² = 252590572551582722, which contains 22 as substring.

Together with 355380479, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_19076860 and since 355380481 and 19076860 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 355380481.

It is not a weakly prime, because it can be changed into another prime (355380401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177690240 + 177690241.

It is an arithmetic number, because the mean of its divisors is an integer number (177690241).

Almost surely, 2^355380481 is an apocalyptic number.

It is an amenable number.

355380481 is a deficient number, since it is larger than the sum of its proper divisors (1).

355380481 is an equidigital number, since it uses as much as digits as its factorization.

355380481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 355380481 is about 18851.5378948244. The cubic root of 355380481 is about 708.3227492336.

The spelling of 355380481 in words is "three hundred fifty-five million, three hundred eighty thousand, four hundred eighty-one".