10861897 has 2 divisors, whose sum is σ = 10861898. Its totient is φ = 10861896.

The previous prime is 10861867. The next prime is 10861909. The reversal of 10861897 is 79816801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8415801 + 2446096 = 2901^2 + 1564^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10861897 is a prime.

It is not a weakly prime, because it can be changed into another prime (10861817) 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, 5430948 + 5430949.

It is an arithmetic number, because the mean of its divisors is an integer number (5430949).

Almost surely, 2^10861897 is an apocalyptic number.

It is an amenable number.

10861897 is a deficient number, since it is larger than the sum of its proper divisors (1).

10861897 is an equidigital number, since it uses as much as digits as its factorization.

10861897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 40.

The square root of 10861897 is about 3295.7392190524. The cubic root of 10861897 is about 221.4633644549.

The spelling of 10861897 in words is "ten million, eight hundred sixty-one thousand, eight hundred ninety-seven".