525401441 has 4 divisors (see below), whose sum is σ = 525450672. Its totient is φ = 525352212.

The previous prime is 525401417. The next prime is 525401467. The reversal of 525401441 is 144104525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 525401441 - 2⁶ = 525401377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 525401441.

It is not an unprimeable number, because it can be changed into a prime (525401141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1151 + ... + 32436.

It is an arithmetic number, because the mean of its divisors is an integer number (131362668).

Almost surely, 2^525401441 is an apocalyptic number.

It is an amenable number.

525401441 is a deficient number, since it is larger than the sum of its proper divisors (49231).

525401441 is a wasteful number, since it uses less digits than its factorization.

525401441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49230.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 525401441 is about 22921.6369616134. The cubic root of 525401441 is about 806.9198885336.

Adding to 525401441 its reverse (144104525), we get a palindrome (669505966).

The spelling of 525401441 in words is "five hundred twenty-five million, four hundred one thousand, four hundred forty-one".