605440487 has 2 divisors, whose sum is σ = 605440488. Its totient is φ = 605440486.

The previous prime is 605440463. The next prime is 605440531. The reversal of 605440487 is 784044506.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 605440487 - 2¹⁶ = 605374951 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 605440487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (605440427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302720243 + 302720244.

It is an arithmetic number, because the mean of its divisors is an integer number (302720244).

Almost surely, 2^605440487 is an apocalyptic number.

605440487 is a deficient number, since it is larger than the sum of its proper divisors (1).

605440487 is an equidigital number, since it uses as much as digits as its factorization.

605440487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 605440487 is about 24605.7002948504. The cubic root of 605440487 is about 845.9742678751.

The spelling of 605440487 in words is "six hundred five million, four hundred forty thousand, four hundred eighty-seven".