563531242 has 4 divisors (see below), whose sum is σ = 845296866. Its totient is φ = 281765620.

The previous prime is 563531173. The next prime is 563531251. The reversal of 563531242 is 242135365.

It is a happy number.

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., 563160361 + 370881 = 23731^2 + 609^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140882809 + ... + 140882812.

Almost surely, 2^563531242 is an apocalyptic number.

563531242 is a deficient number, since it is larger than the sum of its proper divisors (281765624).

563531242 is a wasteful number, since it uses less digits than its factorization.

563531242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281765623.

The product of its digits is 21600, while the sum is 31.

The square root of 563531242 is about 23738.8129863311. The cubic root of 563531242 is about 825.9859614543.

The spelling of 563531242 in words is "five hundred sixty-three million, five hundred thirty-one thousand, two hundred forty-two".