608781313 has 8 divisors (see below), whose sum is σ = 714554432. Its totient is φ = 507709296.

The previous prime is 608781301. The next prime is 608781323. The reversal of 608781313 is 313187806.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 608781313 - 2¹⁷ = 608650241 is a prime.

It is a super-2 number, since 2×608781313² = 741229374116007938, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (608781323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1174995 + ... + 1175512.

It is an arithmetic number, because the mean of its divisors is an integer number (89319304).

Almost surely, 2^608781313 is an apocalyptic number.

It is an amenable number.

608781313 is a deficient number, since it is larger than the sum of its proper divisors (105773119).

608781313 is a wasteful number, since it uses less digits than its factorization.

608781313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2350551.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 608781313 is about 24673.4941384474. The cubic root of 608781313 is about 847.5274457339.

The spelling of 608781313 in words is "six hundred eight million, seven hundred eighty-one thousand, three hundred thirteen".