450025 has 12 divisors (see below), whose sum is σ = 571392. Its totient is φ = 351440.

The previous prime is 450019. The next prime is 450029. The reversal of 450025 is 520054.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-450025 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 449990 and 450008.

It is not an unprimeable number, because it can be changed into a prime (450029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 984 + ... + 1366.

It is an arithmetic number, because the mean of its divisors is an integer number (47616).

2⁴⁵⁰⁰²⁵ is an apocalyptic number.

It is an amenable number.

450025 is a deficient number, since it is larger than the sum of its proper divisors (121367).

450025 is a wasteful number, since it uses less digits than its factorization.

450025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 450025 is about 670.8390268910. The cubic root of 450025 is about 76.6323623046.

Adding to 450025 its reverse (520054), we get a palindrome (970079).

The spelling of 450025 in words is "four hundred fifty thousand, twenty-five".