4431025 has 9 divisors (see below), whose sum is σ = 5507553.
Its totient is φ = 3536400.
The previous prime is 4431023. The next prime is 4431029. The reversal of 4431025 is 5201344.
The square root of 4431025 is 2105.
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 2537649 + 1893376 = 1593^2 + 1376^2
It is not a de Polignac number, because 4431025 - 21 = 4431023 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 4430993 and 4431011.
It is not an unprimeable number, because it can be changed into a prime (4431023) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10315 + ... + 10735.
Almost surely, 24431025 is an apocalyptic number.
4431025 is the 2105-th square number.
4431025 is the 1053-rd centered octagonal number.
It is an amenable number.
4431025 is a deficient number, since it is larger than the sum of its proper divisors (1076528).
4431025 is an frugal number, since it uses more digits than its factorization.
4431025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 852 (or 426 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 19.
The cubic root of 4431025 is about 164.2484954845.
The spelling of 4431025 in words is "four million, four hundred thirty-one thousand, twenty-five".