506565242 has 4 divisors (see below), whose sum is σ = 759847866. Its totient is φ = 253282620.

The previous prime is 506565223. The next prime is 506565253. The reversal of 506565242 is 242565605.

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., 258534241 + 248031001 = 16079^2 + 15749^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126641309 + ... + 126641312.

Almost surely, 2^506565242 is an apocalyptic number.

506565242 is a deficient number, since it is larger than the sum of its proper divisors (253282624).

506565242 is a wasteful number, since it uses less digits than its factorization.

506565242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253282623.

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 506565242 is about 22507.0042875546. The cubic root of 506565242 is about 797.1593219995.

It can be divided in two parts, 5065 and 65242, that added together give a palindrome (70307).

The spelling of 506565242 in words is "five hundred six million, five hundred sixty-five thousand, two hundred forty-two".