634354313 has 4 divisors (see below), whose sum is σ = 634936848. Its totient is φ = 633771780.

The previous prime is 634354241. The next prime is 634354319. The reversal of 634354313 is 313453436.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 634354313 - 2¹⁴ = 634337929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 634354313.

It is not an unprimeable number, because it can be changed into a prime (634354319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289631 + ... + 291812.

It is an arithmetic number, because the mean of its divisors is an integer number (158734212).

Almost surely, 2^634354313 is an apocalyptic number.

It is an amenable number.

634354313 is a deficient number, since it is larger than the sum of its proper divisors (582535).

634354313 is a wasteful number, since it uses less digits than its factorization.

634354313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582534.

The product of its digits is 38880, while the sum is 32.

The square root of 634354313 is about 25186.3914247357. The cubic root of 634354313 is about 859.2323747933.

The spelling of 634354313 in words is "six hundred thirty-four million, three hundred fifty-four thousand, three hundred thirteen".