525260243 has 4 divisors (see below), whose sum is σ = 525527640. Its totient is φ = 524992848.

The previous prime is 525260233. The next prime is 525260261. The reversal of 525260243 is 342062525.

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

It is a cyclic number.

It is not a de Polignac number, because 525260243 - 2²⁸ = 256824787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525260233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130730 + ... + 134687.

It is an arithmetic number, because the mean of its divisors is an integer number (131381910).

Almost surely, 2^525260243 is an apocalyptic number.

525260243 is a deficient number, since it is larger than the sum of its proper divisors (267397).

525260243 is a wasteful number, since it uses less digits than its factorization.

525260243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267396.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 525260243 is about 22918.5567390270. The cubic root of 525260243 is about 806.8475973460.

The spelling of 525260243 in words is "five hundred twenty-five million, two hundred sixty thousand, two hundred forty-three".