605098381 has 2 divisors, whose sum is σ = 605098382. Its totient is φ = 605098380.

The previous prime is 605098363. The next prime is 605098463. The reversal of 605098381 is 183890506.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 389272900 + 215825481 = 19730^2 + 14691^2 .

It is a cyclic number.

It is not a de Polignac number, because 605098381 - 2¹⁵ = 605065613 is a prime.

It is a super-2 number, since 2×605098381² = 732288101377642322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (605098321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302549190 + 302549191.

It is an arithmetic number, because the mean of its divisors is an integer number (302549191).

Almost surely, 2^605098381 is an apocalyptic number.

It is an amenable number.

605098381 is a deficient number, since it is larger than the sum of its proper divisors (1).

605098381 is an equidigital number, since it uses as much as digits as its factorization.

605098381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 605098381 is about 24598.7475494180. The cubic root of 605098381 is about 845.8148977375.

The spelling of 605098381 in words is "six hundred five million, ninety-eight thousand, three hundred eighty-one".