354881 has 2 divisors, whose sum is σ = 354882. Its totient is φ = 354880.

The previous prime is 354877. The next prime is 354883. The reversal of 354881 is 188453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 255025 + 99856 = 505^2 + 316^2 .

It is a cyclic number.

It is not a de Polignac number, because 354881 - 2² = 354877 is a prime.

It is a super-2 number, since 2×354881² = 251881048322, which contains 22 as substring.

Together with 354883, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 11.

It is not a weakly prime, because it can be changed into another prime (354883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177440 + 177441.

It is an arithmetic number, because the mean of its divisors is an integer number (177441).

2³⁵⁴⁸⁸¹ is an apocalyptic number.

It is an amenable number.

354881 is a deficient number, since it is larger than the sum of its proper divisors (1).

354881 is an equidigital number, since it uses as much as digits as its factorization.

354881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 29.

The square root of 354881 is about 595.7188934388. The cubic root of 354881 is about 70.7990748600.

The spelling of 354881 in words is "three hundred fifty-four thousand, eight hundred eighty-one".