525013441 has 4 divisors (see below), whose sum is σ = 525412800. Its totient is φ = 524614084.

The previous prime is 525013417. The next prime is 525013483. The reversal of 525013441 is 144310525.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 525013441 - 2¹³ = 525005249 is a prime.

It is a super-2 number, since 2×525013441² = 551278226461320962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525013141) 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, 197701 + ... + 200338.

It is an arithmetic number, because the mean of its divisors is an integer number (131353200).

Almost surely, 2^525013441 is an apocalyptic number.

It is an amenable number.

525013441 is a deficient number, since it is larger than the sum of its proper divisors (399359).

525013441 is a wasteful number, since it uses less digits than its factorization.

525013441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399358.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 525013441 is about 22913.1717795682. The cubic root of 525013441 is about 806.7212074279.

Adding to 525013441 its reverse (144310525), we get a palindrome (669323966).

The spelling of 525013441 in words is "five hundred twenty-five million, thirteen thousand, four hundred forty-one".