105556697 has 2 divisors, whose sum is σ = 105556698. Its totient is φ = 105556696.

The previous prime is 105556679. The next prime is 105556709. The reversal of 105556697 is 796655501.

Together with previous prime (105556679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98982601 + 6574096 = 9949^2 + 2564^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105556697 is a prime.

It is a super-2 number, since 2×105556697² = 22284432563099618, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (105546697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52778348 + 52778349.

It is an arithmetic number, because the mean of its divisors is an integer number (52778349).

Almost surely, 2^105556697 is an apocalyptic number.

It is an amenable number.

105556697 is a deficient number, since it is larger than the sum of its proper divisors (1).

105556697 is an equidigital number, since it uses as much as digits as its factorization.

105556697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 283500, while the sum is 44.

The square root of 105556697 is about 10274.0788881534. The cubic root of 105556697 is about 472.6016831821.

The spelling of 105556697 in words is "one hundred five million, five hundred fifty-six thousand, six hundred ninety-seven".