358681 has 2 divisors, whose sum is σ = 358682. Its totient is φ = 358680.

The previous prime is 358669. The next prime is 358691. The reversal of 358681 is 186853.

It is the 245-th star number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 291600 + 67081 = 540^2 + 259^2 .

It is a cyclic number.

It is not a de Polignac number, because 358681 - 2¹⁷ = 227609 is a prime.

It is a super-2 number, since 2×358681² = 257304119522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (358601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 179340 + 179341.

It is an arithmetic number, because the mean of its divisors is an integer number (179341).

2³⁵⁸⁶⁸¹ is an apocalyptic number.

It is an amenable number.

358681 is a deficient number, since it is larger than the sum of its proper divisors (1).

358681 is an equidigital number, since it uses as much as digits as its factorization.

358681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 31.

The square root of 358681 is about 598.8998246786. The cubic root of 358681 is about 71.0508793542.

The spelling of 358681 in words is "three hundred fifty-eight thousand, six hundred eighty-one".