679527403 has 2 divisors, whose sum is σ = 679527404. Its totient is φ = 679527402.

The previous prime is 679527379. The next prime is 679527413. The reversal of 679527403 is 304725976.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 679527403 - 2²¹ = 677430251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 679527403.

It is not a weakly prime, because it can be changed into another prime (679527413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339763701 + 339763702.

It is an arithmetic number, because the mean of its divisors is an integer number (339763702).

Almost surely, 2^679527403 is an apocalyptic number.

679527403 is a deficient number, since it is larger than the sum of its proper divisors (1).

679527403 is an equidigital number, since it uses as much as digits as its factorization.

679527403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 43.

The square root of 679527403 is about 26067.7464119935. The cubic root of 679527403 is about 879.1621687373.

The spelling of 679527403 in words is "six hundred seventy-nine million, five hundred twenty-seven thousand, four hundred three".