562533661 has 4 divisors (see below), whose sum is σ = 562733824. Its totient is φ = 562333500.

The previous prime is 562533613. The next prime is 562533707. The reversal of 562533661 is 166335265.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 166335265 = 5 ⋅33267053.

It is a cyclic number.

It is not a de Polignac number, because 562533661 - 2²⁵ = 528979229 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 562533661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (562533761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95805 + ... + 101506.

It is an arithmetic number, because the mean of its divisors is an integer number (140683456).

Almost surely, 2^562533661 is an apocalyptic number.

It is an amenable number.

562533661 is a deficient number, since it is larger than the sum of its proper divisors (200163).

562533661 is a wasteful number, since it uses less digits than its factorization.

562533661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200162.

The product of its digits is 97200, while the sum is 37.

The square root of 562533661 is about 23717.7920768355. The cubic root of 562533661 is about 825.4982779949.

The spelling of 562533661 in words is "five hundred sixty-two million, five hundred thirty-three thousand, six hundred sixty-one".