605871493 has 2 divisors, whose sum is σ = 605871494. Its totient is φ = 605871492.

The previous prime is 605871481. The next prime is 605871499. The reversal of 605871493 is 394178506.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 605258404 + 613089 = 24602^2 + 783^2 .

It is a cyclic number.

It is not a de Polignac number, because 605871493 - 2²⁵ = 572317061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (605871499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302935746 + 302935747.

It is an arithmetic number, because the mean of its divisors is an integer number (302935747).

Almost surely, 2^605871493 is an apocalyptic number.

It is an amenable number.

605871493 is a deficient number, since it is larger than the sum of its proper divisors (1).

605871493 is an equidigital number, since it uses as much as digits as its factorization.

605871493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 605871493 is about 24614.4569917762. The cubic root of 605871493 is about 846.1749666525.

The spelling of 605871493 in words is "six hundred five million, eight hundred seventy-one thousand, four hundred ninety-three".