562541989 has 4 divisors (see below), whose sum is σ = 562612960. Its totient is φ = 562471020.

The previous prime is 562541977. The next prime is 562541999. The reversal of 562541989 is 989145265.

562541989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 562541989 - 2⁵ = 562541957 is a prime.

It is a super-2 number, since 2×562541989² = 632906978776152242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (562541929) 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, 21849 + ... + 40030.

It is an arithmetic number, because the mean of its divisors is an integer number (140653240).

Almost surely, 2^562541989 is an apocalyptic number.

It is an amenable number.

562541989 is a deficient number, since it is larger than the sum of its proper divisors (70971).

562541989 is an equidigital number, since it uses as much as digits as its factorization.

562541989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70970.

The product of its digits is 777600, while the sum is 49.

The square root of 562541989 is about 23717.9676405884. The cubic root of 562541989 is about 825.5023516568.

The spelling of 562541989 in words is "five hundred sixty-two million, five hundred forty-one thousand, nine hundred eighty-nine".