565630481 has 4 divisors (see below), whose sum is σ = 609140532. Its totient is φ = 522120432.

The previous prime is 565630459. The next prime is 565630487. The reversal of 565630481 is 184036565.

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

It can be written as a sum of positive squares in 2 ways, for example, as 148449856 + 417180625 = 12184^2 + 20425^2 .

It is a cyclic number.

It is not a de Polignac number, because 565630481 - 2²² = 561436177 is a prime.

It is a super-2 number, since 2×565630481² = 639875682072582722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (565630487) 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, 21755006 + ... + 21755031.

It is an arithmetic number, because the mean of its divisors is an integer number (152285133).

Almost surely, 2^565630481 is an apocalyptic number.

It is an amenable number.

565630481 is a deficient number, since it is larger than the sum of its proper divisors (43510051).

565630481 is a wasteful number, since it uses less digits than its factorization.

565630481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43510050.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 565630481 is about 23782.9872177572. The cubic root of 565630481 is about 827.0103313527.

The spelling of 565630481 in words is "five hundred sixty-five million, six hundred thirty thousand, four hundred eighty-one".