525920243 has 8 divisors (see below), whose sum is σ = 541309776. Its totient is φ = 510652800.

The previous prime is 525920207. The next prime is 525920267. The reversal of 525920243 is 342029525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 525920243 - 2⁶ = 525920179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525940243) 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, 21746 + ... + 39047.

It is an arithmetic number, because the mean of its divisors is an integer number (67663722).

Almost surely, 2^525920243 is an apocalyptic number.

525920243 is a deficient number, since it is larger than the sum of its proper divisors (15389533).

525920243 is a wasteful number, since it uses less digits than its factorization.

525920243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61045.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 525920243 is about 22932.9510312127. The cubic root of 525920243 is about 807.1853959493.

Adding to 525920243 its reverse (342029525), we get a palindrome (867949768).

It can be divided in two parts, 52 and 5920243, that added together give a palindrome (5920295).

The spelling of 525920243 in words is "five hundred twenty-five million, nine hundred twenty thousand, two hundred forty-three".