605440973 has 4 divisors (see below), whose sum is σ = 620207868. Its totient is φ = 590674080.

The previous prime is 605440931. The next prime is 605440987. The reversal of 605440973 is 379044506.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 379044506 = 2 ⋅189522253.

It can be written as a sum of positive squares in 2 ways, for example, as 131377444 + 474063529 = 11462^2 + 21773^2 .

It is a cyclic number.

It is not a de Polignac number, because 605440973 - 2²⁸ = 337005517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605440373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7383386 + ... + 7383467.

It is an arithmetic number, because the mean of its divisors is an integer number (155051967).

Almost surely, 2^605440973 is an apocalyptic number.

It is an amenable number.

605440973 is a deficient number, since it is larger than the sum of its proper divisors (14766895).

605440973 is a wasteful number, since it uses less digits than its factorization.

605440973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14766894.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 605440973 is about 24605.7101706088. The cubic root of 605440973 is about 845.9744942356.

The spelling of 605440973 in words is "six hundred five million, four hundred forty thousand, nine hundred seventy-three".