313455605 has 8 divisors (see below), whose sum is σ = 398273112. Its totient is φ = 236013568.

The previous prime is 313455581. The next prime is 313455607. The reversal of 313455605 is 506554313.

It can be written as a sum of positive squares in 4 ways, for example, as 65141041 + 248314564 = 8071^2 + 15758^2 .

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 313455605 - 2¹⁶ = 313390069 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 (313455607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1843772 + ... + 1843941.

It is an arithmetic number, because the mean of its divisors is an integer number (49784139).

Almost surely, 2^313455605 is an apocalyptic number.

It is an amenable number.

313455605 is a deficient number, since it is larger than the sum of its proper divisors (84817507).

313455605 is a wasteful number, since it uses less digits than its factorization.

313455605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3687735.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 313455605 is about 17704.6774892964. The cubic root of 313455605 is about 679.2954098886.

The spelling of 313455605 in words is "three hundred thirteen million, four hundred fifty-five thousand, six hundred five".