438525 has 18 divisors (see below), whose sum is σ = 785850. Its totient is φ = 233760.

The previous prime is 438523. The next prime is 438527. The reversal of 438525 is 525834.

It is an interprime number because it is at equal distance from previous prime (438523) and next prime (438527).

It can be written as a sum of positive squares in 3 ways, for example, as 71289 + 367236 = 267^2 + 606^2 .

It is not a de Polignac number, because 438525 - 2¹ = 438523 is a prime.

It is an alternating number because its digits alternate between even and odd.

438525 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438521) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 750 + ... + 1199.

2⁴³⁸⁵²⁵ is an apocalyptic number.

438525 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

438525 is a deficient number, since it is larger than the sum of its proper divisors (347325).

438525 is a wasteful number, since it uses less digits than its factorization.

438525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965 (or 1957 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 438525 is about 662.2122016393. The cubic root of 438525 is about 75.9739638424.

The spelling of 438525 in words is "four hundred thirty-eight thousand, five hundred twenty-five".