605842913 has 4 divisors (see below), whose sum is σ = 652446228. Its totient is φ = 559239600.

The previous prime is 605842903. The next prime is 605843003. The reversal of 605842913 is 319248506.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 411602944 + 194239969 = 20288^2 + 13937^2 .

It is a cyclic number.

It is not a de Polignac number, because 605842913 - 2¹⁶ = 605777377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (605842903) 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, 23301638 + ... + 23301663.

It is an arithmetic number, because the mean of its divisors is an integer number (163111557).

Almost surely, 2^605842913 is an apocalyptic number.

It is an amenable number.

605842913 is a deficient number, since it is larger than the sum of its proper divisors (46603315).

605842913 is a wasteful number, since it uses less digits than its factorization.

605842913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46603314.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 605842913 is about 24613.8764318016. The cubic root of 605842913 is about 846.1616612673.

The spelling of 605842913 in words is "six hundred five million, eight hundred forty-two thousand, nine hundred thirteen".