525242291 has 8 divisors (see below), whose sum is σ = 614237184. Its totient is φ = 439737480.

The previous prime is 525242261. The next prime is 525242339. The reversal of 525242291 is 192242525.

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

It is not a de Polignac number, because 525242291 - 2¹⁰ = 525241267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525242261) 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 7 ways as a sum of consecutive naturals, for example, 872195 + ... + 872796.

It is an arithmetic number, because the mean of its divisors is an integer number (76779648).

Almost surely, 2^525242291 is an apocalyptic number.

525242291 is a deficient number, since it is larger than the sum of its proper divisors (88994893).

525242291 is a wasteful number, since it uses less digits than its factorization.

525242291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745041.

The product of its digits is 14400, while the sum is 32.

The square root of 525242291 is about 22918.1650879821. The cubic root of 525242291 is about 806.8384052720.

The spelling of 525242291 in words is "five hundred twenty-five million, two hundred forty-two thousand, two hundred ninety-one".