1025917 has 2 divisors, whose sum is σ = 1025918. Its totient is φ = 1025916.

The previous prime is 1025911. The next prime is 1025929. The reversal of 1025917 is 7195201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 900601 + 125316 = 949^2 + 354^2 .

It is a cyclic number.

It is not a de Polignac number, because 1025917 - 2³ = 1025909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1025891 and 1025900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512958 + 512959.

It is an arithmetic number, because the mean of its divisors is an integer number (512959).

2^1025917 is an apocalyptic number.

It is an amenable number.

1025917 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025917 is an equidigital number, since it uses as much as digits as its factorization.

1025917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 1025917 is about 1012.8756093420. The cubic root of 1025917 is about 100.8565424039.

The spelling of 1025917 in words is "one million, twenty-five thousand, nine hundred seventeen".