634713 has 4 divisors (see below), whose sum is σ = 846288. Its totient is φ = 423140.

The previous prime is 634709. The next prime is 634717. The reversal of 634713 is 317436.

634713 is nontrivially palindromic in base 2.

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 an interprime number because it is at equal distance from previous prime (634709) and next prime (634717).

It is a cyclic number.

It is not a de Polignac number, because 634713 - 2² = 634709 is a prime.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (634717) 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, 105783 + ... + 105788.

It is an arithmetic number, because the mean of its divisors is an integer number (211572).

2⁶³⁴⁷¹³ is an apocalyptic number.

It is an amenable number.

634713 is a deficient number, since it is larger than the sum of its proper divisors (211575).

634713 is a wasteful number, since it uses less digits than its factorization.

634713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211574.

The product of its digits is 1512, while the sum is 24.

The square root of 634713 is about 796.6887723572. The cubic root of 634713 is about 85.9394291358.

The spelling of 634713 in words is "six hundred thirty-four thousand, seven hundred thirteen".