1028025 has 24 divisors (see below), whose sum is σ = 1889760. Its totient is φ = 547920.

The previous prime is 1028023. The next prime is 1028029. The reversal of 1028025 is 5208201.

It is not a de Polignac number, because 1028025 - 2¹ = 1028023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1027989 and 1028007.

It is not an unprimeable number, because it can be changed into a prime (1028023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87 + ... + 1436.

It is an arithmetic number, because the mean of its divisors is an integer number (78740).

2^1028025 is an apocalyptic number.

1028025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1028025 is a deficient number, since it is larger than the sum of its proper divisors (861735).

1028025 is a wasteful number, since it uses less digits than its factorization.

1028025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542 (or 1531 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1028025 is about 1013.9156769673. The cubic root of 1028025 is about 100.9255733751.

The spelling of 1028025 in words is "one million, twenty-eight thousand, twenty-five".