1025289 has 6 divisors (see below), whose sum is σ = 1480986. Its totient is φ = 683520.

The previous prime is 1025281. The next prime is 1025303. The reversal of 1025289 is 9825201.

1025289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 783225 + 242064 = 885^2 + 492^2 .

It is not a de Polignac number, because 1025289 - 2³ = 1025281 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1025281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56952 + ... + 56969.

It is an arithmetic number, because the mean of its divisors is an integer number (246831).

2^1025289 is an apocalyptic number.

It is an amenable number.

1025289 is a deficient number, since it is larger than the sum of its proper divisors (455697).

1025289 is a wasteful number, since it uses less digits than its factorization.

1025289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113927 (or 113924 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1025289 is about 1012.5655534335. The cubic root of 1025289 is about 100.8359589205.

The spelling of 1025289 in words is "one million, twenty-five thousand, two hundred eighty-nine".