679501 has 2 divisors, whose sum is σ = 679502. Its totient is φ = 679500.

The previous prime is 679487. The next prime is 679517. The reversal of 679501 is 105976.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 476100 + 203401 = 690^2 + 451^2 .

It is a cyclic number.

It is not a de Polignac number, because 679501 - 2⁷ = 679373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 679501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (679531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339750 + 339751.

It is an arithmetic number, because the mean of its divisors is an integer number (339751).

2⁶⁷⁹⁵⁰¹ is an apocalyptic number.

It is an amenable number.

679501 is a deficient number, since it is larger than the sum of its proper divisors (1).

679501 is an equidigital number, since it uses as much as digits as its factorization.

679501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 679501 is about 824.3185064039. The cubic root of 679501 is about 87.9150781991.

It can be divided in two parts, 6 and 79501, that added together give a cube (79507 = 43³).

The spelling of 679501 in words is "six hundred seventy-nine thousand, five hundred one".