109925897 has 2 divisors, whose sum is σ = 109925898. Its totient is φ = 109925896.

The previous prime is 109925891. The next prime is 109925951. The reversal of 109925897 is 798529901.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107723641 + 2202256 = 10379^2 + 1484^2 .

It is a cyclic number.

It is not a de Polignac number, because 109925897 - 2⁶ = 109925833 is a prime.

It is not a weakly prime, because it can be changed into another prime (109925891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54962948 + 54962949.

It is an arithmetic number, because the mean of its divisors is an integer number (54962949).

Almost surely, 2^109925897 is an apocalyptic number.

It is an amenable number.

109925897 is a deficient number, since it is larger than the sum of its proper divisors (1).

109925897 is an equidigital number, since it uses as much as digits as its factorization.

109925897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 50.

The square root of 109925897 is about 10484.5551646219. Note that the first 3 decimals coincide. The cubic root of 109925897 is about 479.0343680258.

The spelling of 109925897 in words is "one hundred nine million, nine hundred twenty-five thousand, eight hundred ninety-seven".