111025897 has 2 divisors, whose sum is σ = 111025898. Its totient is φ = 111025896.

The previous prime is 111025883. The next prime is 111025931. The reversal of 111025897 is 798520111.

It is a happy number.

It is an a-pointer prime, because the next prime (111025931) can be obtained adding 111025897 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60388441 + 50637456 = 7771^2 + 7116^2 .

It is a cyclic number.

It is not a de Polignac number, because 111025897 - 2⁷ = 111025769 is a prime.

It is not a weakly prime, because it can be changed into another prime (111025867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55512948 + 55512949.

It is an arithmetic number, because the mean of its divisors is an integer number (55512949).

Almost surely, 2^111025897 is an apocalyptic number.

It is an amenable number.

111025897 is a deficient number, since it is larger than the sum of its proper divisors (1).

111025897 is an equidigital number, since it uses as much as digits as its factorization.

111025897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 34.

The square root of 111025897 is about 10536.8826984075. The cubic root of 111025897 is about 480.6269253222.

The spelling of 111025897 in words is "one hundred eleven million, twenty-five thousand, eight hundred ninety-seven".