605261313 has 6 divisors (see below), whose sum is σ = 874266354. Its totient is φ = 403507536.

The previous prime is 605261309. The next prime is 605261341. The reversal of 605261313 is 313162506.

605261313 is a `hidden beast` number, since 6 + 0 + 526 + 131 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 602064369 + 3196944 = 24537^2 + 1788^2 .

It is not a de Polignac number, because 605261313 - 2² = 605261309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (605271313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33625620 + ... + 33625637.

It is an arithmetic number, because the mean of its divisors is an integer number (145711059).

Almost surely, 2^605261313 is an apocalyptic number.

It is an amenable number.

605261313 is a deficient number, since it is larger than the sum of its proper divisors (269005041).

605261313 is a wasteful number, since it uses less digits than its factorization.

605261313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67251263 (or 67251260 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 605261313 is about 24602.0591211386. The cubic root of 605261313 is about 845.8908071267.

The spelling of 605261313 in words is "six hundred five million, two hundred sixty-one thousand, three hundred thirteen".