1025705 has 4 divisors (see below), whose sum is σ = 1230852. Its totient is φ = 820560.

The previous prime is 1025693. The next prime is 1025707. The reversal of 1025705 is 5075201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 246016 + 779689 = 496^2 + 883^2 .

It is not a de Polignac number, because 1025705 - 2⁶ = 1025641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1025707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102566 + ... + 102575.

It is an arithmetic number, because the mean of its divisors is an integer number (307713).

2^1025705 is an apocalyptic number.

It is an amenable number.

1025705 is a deficient number, since it is larger than the sum of its proper divisors (205147).

1025705 is an equidigital number, since it uses as much as digits as its factorization.

1025705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205146.

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 1025705 is about 1012.7709514002. The cubic root of 1025705 is about 100.8495947789.

The spelling of 1025705 in words is "one million, twenty-five thousand, seven hundred five".