438525481 has 9 divisors (see below), whose sum is σ = 449884701. Its totient is φ = 427447692.

The previous prime is 438525431. The next prime is 438525499. The reversal of 438525481 is 184525834.

The square root of 438525481 is 20941.

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

It is not a de Polignac number, because 438525481 - 2¹¹ = 438523433 is a prime.

It is a super-3 number, since 3×438525481³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (438525431) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 900220 + ... + 900706.

It is an arithmetic number, because the mean of its divisors is an integer number (49987189).

Almost surely, 2^438525481 is an apocalyptic number.

438525481 is the 20941-st square number.

438525481 is the 10471-st centered octagonal number.

It is an amenable number.

438525481 is a deficient number, since it is larger than the sum of its proper divisors (11359220).

438525481 is an frugal number, since it uses more digits than its factorization.

438525481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060 (or 530 counting only the distinct ones).

The product of its digits is 153600, while the sum is 40.

The cubic root of 438525481 is about 759.7399161993.

The spelling of 438525481 in words is "four hundred thirty-eight million, five hundred twenty-five thousand, four hundred eighty-one".