427653565 has 8 divisors (see below), whose sum is σ = 514300248. Its totient is φ = 341378880.

The previous prime is 427653529. The next prime is 427653571. The reversal of 427653565 is 565356724.

It can be written as a sum of positive squares in 4 ways, for example, as 900601 + 426752964 = 949^2 + 20658^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 427653565 - 2¹³ = 427645373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90462 + ... + 95071.

It is an arithmetic number, because the mean of its divisors is an integer number (64287531).

Almost surely, 2^427653565 is an apocalyptic number.

It is an amenable number.

427653565 is a deficient number, since it is larger than the sum of its proper divisors (86646683).

427653565 is a wasteful number, since it uses less digits than its factorization.

427653565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185999.

The product of its digits is 756000, while the sum is 43.

The square root of 427653565 is about 20679.7863867111. The cubic root of 427653565 is about 753.4088179554.

The spelling of 427653565 in words is "four hundred twenty-seven million, six hundred fifty-three thousand, five hundred sixty-five".