526566242 has 4 divisors (see below), whose sum is σ = 789849366. Its totient is φ = 263283120.

The previous prime is 526566241. The next prime is 526566251. The reversal of 526566242 is 242665625.

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

It can be written as a sum of positive squares in only one way, i.e., 455011561 + 71554681 = 21331^2 + 8459^2 .

It is a junction number, because it is equal to n+sod(n) for n = 526566196 and 526566205.

It is not an unprimeable number, because it can be changed into a prime (526566241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131641559 + ... + 131641562.

Almost surely, 2^526566242 is an apocalyptic number.

526566242 is a deficient number, since it is larger than the sum of its proper divisors (263283124).

526566242 is a wasteful number, since it uses less digits than its factorization.

526566242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263283123.

The product of its digits is 172800, while the sum is 38.

The square root of 526566242 is about 22947.0312241039. The cubic root of 526566242 is about 807.5157550435.

The spelling of 526566242 in words is "five hundred twenty-six million, five hundred sixty-six thousand, two hundred forty-two".