525530241 has 8 divisors (see below), whose sum is σ = 778563360. Its totient is φ = 350353476.

The previous prime is 525530237. The next prime is 525530249. The reversal of 525530241 is 142035525.

It is a happy number.

It is not a de Polignac number, because 525530241 - 2² = 525530237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 19464083 = 525530241 / (5 + 2 + 5 + 5 + 3 + 0 + 2 + 4 + 1).

It is not an unprimeable number, because it can be changed into a prime (525530249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9732015 + ... + 9732068.

It is an arithmetic number, because the mean of its divisors is an integer number (97320420).

Almost surely, 2^525530241 is an apocalyptic number.

It is an amenable number.

525530241 is a deficient number, since it is larger than the sum of its proper divisors (253033119).

525530241 is a wasteful number, since it uses less digits than its factorization.

525530241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19464092 (or 19464086 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 525530241 is about 22924.4463619081. The cubic root of 525530241 is about 806.9858208423.

Adding to 525530241 its reverse (142035525), we get a palindrome (667565766).

The spelling of 525530241 in words is "five hundred twenty-five million, five hundred thirty thousand, two hundred forty-one".