438025 has 12 divisors (see below), whose sum is σ = 620992. Its totient is φ = 300240.

The previous prime is 438017. The next prime is 438029. The reversal of 438025 is 520834.

It is not a de Polignac number, because 438025 - 2³ = 438017 is a prime.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 437987 and 438005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1077 + ... + 1426.

2⁴³⁸⁰²⁵ is an apocalyptic number.

It is an amenable number.

438025 is a deficient number, since it is larger than the sum of its proper divisors (182967).

438025 is a wasteful number, since it uses less digits than its factorization.

438025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520 (or 2515 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 438025 is about 661.8345714754. The cubic root of 438025 is about 75.9450780483.

Adding to 438025 its reverse (520834), we get a palindrome (958859).

It can be divided in two parts, 4 and 38025, that multiplied together give a square (152100 = 390²).

The spelling of 438025 in words is "four hundred thirty-eight thousand, twenty-five".