1025717 has 18 divisors (see below), whose sum is σ = 1319094. Its totient is φ = 794640.

The previous prime is 1025707. The next prime is 1025741. The reversal of 1025717 is 7175201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1002001 + 23716 = 1001^2 + 154^2 .

It is not a de Polignac number, because 1025717 - 2⁶ = 1025653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1025692 and 1025701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025707) 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 in 17 ways as a sum of consecutive naturals, for example, 5843 + ... + 6015.

It is an arithmetic number, because the mean of its divisors is an integer number (73283).

2^1025717 is an apocalyptic number.

It is an amenable number.

1025717 is a deficient number, since it is larger than the sum of its proper divisors (293377).

1025717 is a wasteful number, since it uses less digits than its factorization.

1025717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 490, while the sum is 23.

The square root of 1025717 is about 1012.7768757234. The cubic root of 1025717 is about 100.8499880662.

The spelling of 1025717 in words is "one million, twenty-five thousand, seven hundred seventeen".