525541441 has 4 divisors (see below), whose sum is σ = 530959492. Its totient is φ = 520123392.

The previous prime is 525541433. The next prime is 525541459. The reversal of 525541441 is 144145525.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 275427216 + 250114225 = 16596^2 + 15815^2 .

It is a cyclic number.

It is not a de Polignac number, because 525541441 - 2³ = 525541433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525541411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2708880 + ... + 2709073.

It is an arithmetic number, because the mean of its divisors is an integer number (132739873).

Almost surely, 2^525541441 is an apocalyptic number.

It is an amenable number.

525541441 is a deficient number, since it is larger than the sum of its proper divisors (5418051).

525541441 is an equidigital number, since it uses as much as digits as its factorization.

525541441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5418050.

The product of its digits is 16000, while the sum is 31.

The square root of 525541441 is about 22924.6906413151. The cubic root of 525541441 is about 806.9915535774.

Adding to 525541441 its reverse (144145525), we get a palindrome (669686966).

The spelling of 525541441 in words is "five hundred twenty-five million, five hundred forty-one thousand, four hundred forty-one".