2608258393 has 4 divisors (see below), whose sum is σ = 2808893668. Its totient is φ = 2407623120.

The previous prime is 2608258379. The next prime is 2608258399. The reversal of 2608258393 is 3938528062.

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 362635849 + 2245622544 = 19043^2 + 47388^2 .

It is a cyclic number.

It is not a de Polignac number, because 2608258393 - 2⁵ = 2608258361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2608258399) 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, 100317618 + ... + 100317643.

It is an arithmetic number, because the mean of its divisors is an integer number (702223417).

Almost surely, 2^2608258393 is an apocalyptic number.

It is an amenable number.

2608258393 is a deficient number, since it is larger than the sum of its proper divisors (200635275).

2608258393 is a wasteful number, since it uses less digits than its factorization.

2608258393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200635274.

The product of its (nonzero) digits is 622080, while the sum is 46.

The square root of 2608258393 is about 51071.1111392732. Note that the first 4 decimals coincide. The cubic root of 2608258393 is about 1376.5232077221.

The spelling of 2608258393 in words is "two billion, six hundred eight million, two hundred fifty-eight thousand, three hundred ninety-three".