354480281 has 2 divisors, whose sum is σ = 354480282. Its totient is φ = 354480280.

The previous prime is 354480233. The next prime is 354480289. The reversal of 354480281 is 182084453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242861056 + 111619225 = 15584^2 + 10565^2 .

It is an emirp because it is prime and its reverse (182084453) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354480281 is a prime.

It is a super-2 number, since 2×354480281² = 251312539235677922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (354480289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177240140 + 177240141.

It is an arithmetic number, because the mean of its divisors is an integer number (177240141).

Almost surely, 2^354480281 is an apocalyptic number.

It is an amenable number.

354480281 is a deficient number, since it is larger than the sum of its proper divisors (1).

354480281 is an equidigital number, since it uses as much as digits as its factorization.

354480281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 354480281 is about 18827.6467196514. The cubic root of 354480281 is about 707.7241689151.

The spelling of 354480281 in words is "three hundred fifty-four million, four hundred eighty thousand, two hundred eighty-one".