803439025 has 9 divisors (see below), whose sum is σ = 996440161. Its totient is φ = 642637840.

The previous prime is 803439011. The next prime is 803439061. The reversal of 803439025 is 520934308.

It is a happy number.

The square root of 803439025 is 28345.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 130347889 + 673091136 = 11417^2 + 25944^2 .

It is not a de Polignac number, because 803439025 - 2⁷ = 803438897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 138891 + ... + 144559.

Almost surely, 2^803439025 is an apocalyptic number.

803439025 is the 28345-th square number.

803439025 is the 14173-rd centered octagonal number.

It is an amenable number.

803439025 is a deficient number, since it is larger than the sum of its proper divisors (193001136).

803439025 is an frugal number, since it uses more digits than its factorization.

803439025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11348 (or 5674 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The cubic root of 803439025 is about 929.6460768353.

The spelling of 803439025 in words is "eight hundred three million, four hundred thirty-nine thousand, twenty-five".