605243131 has 2 divisors, whose sum is σ = 605243132. Its totient is φ = 605243130.

The previous prime is 605243087. The next prime is 605243143. The reversal of 605243131 is 131342506.

605243131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 605243131 - 2¹³ = 605234939 is a prime.

It is a super-2 number, since 2×605243131² = 732638495245366322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 605243096 and 605243105.

It is not a weakly prime, because it can be changed into another prime (605243531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302621565 + 302621566.

It is an arithmetic number, because the mean of its divisors is an integer number (302621566).

Almost surely, 2^605243131 is an apocalyptic number.

605243131 is a deficient number, since it is larger than the sum of its proper divisors (1).

605243131 is an equidigital number, since it uses as much as digits as its factorization.

605243131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 605243131 is about 24601.6895964485. The cubic root of 605243131 is about 845.8823368785.

Adding to 605243131 its reverse (131342506), we get a palindrome (736585637).

The spelling of 605243131 in words is "six hundred five million, two hundred forty-three thousand, one hundred thirty-one".