679306097 has 2 divisors, whose sum is σ = 679306098. Its totient is φ = 679306096.

The previous prime is 679306079. The next prime is 679306123. The reversal of 679306097 is 790603976.

Together with previous prime (679306079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 637108081 + 42198016 = 25241^2 + 6496^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-679306097 is a prime.

It is a super-2 number, since 2×679306097² = 922913546842746818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (679306037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339653048 + 339653049.

It is an arithmetic number, because the mean of its divisors is an integer number (339653049).

Almost surely, 2^679306097 is an apocalyptic number.

It is an amenable number.

679306097 is a deficient number, since it is larger than the sum of its proper divisors (1).

679306097 is an equidigital number, since it uses as much as digits as its factorization.

679306097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 428652, while the sum is 47.

The square root of 679306097 is about 26063.5012421585. The cubic root of 679306097 is about 879.0667176010.

The spelling of 679306097 in words is "six hundred seventy-nine million, three hundred six thousand, ninety-seven".