679013 has 4 divisors (see below), whose sum is σ = 694848. Its totient is φ = 663180.

The previous prime is 678989. The next prime is 679033. The reversal of 679013 is 310976.

It is a happy number.

679013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 679013 - 2⁶ = 678949 is a prime.

It is a super-2 number, since 2×679013² = 922117308338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679033) 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, 7853 + ... + 7938.

It is an arithmetic number, because the mean of its divisors is an integer number (173712).

2⁶⁷⁹⁰¹³ is an apocalyptic number.

It is an amenable number.

679013 is a deficient number, since it is larger than the sum of its proper divisors (15835).

679013 is a wasteful number, since it uses less digits than its factorization.

679013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15834.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 679013 is about 824.0224511505. The cubic root of 679013 is about 87.8940270489.

Adding to 679013 its reverse (310976), we get a palindrome (989989).

The spelling of 679013 in words is "six hundred seventy-nine thousand, thirteen".