565414381 has 6 divisors (see below), whose sum is σ = 657726990. Its totient is φ = 484640856.

The previous prime is 565414351. The next prime is 565414387. The reversal of 565414381 is 183414565.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 513430281 + 51984100 = 22659^2 + 7210^2 .

It is not a de Polignac number, because 565414381 - 2⁵ = 565414349 is a prime.

It is a super-2 number, since 2×565414381² = 639386844483226322, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

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 565414381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565414387) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5769486 + ... + 5769583.

It is an arithmetic number, because the mean of its divisors is an integer number (109621165).

Almost surely, 2^565414381 is an apocalyptic number.

It is an amenable number.

565414381 is a deficient number, since it is larger than the sum of its proper divisors (92312609).

565414381 is a wasteful number, since it uses less digits than its factorization.

565414381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11539083 (or 11539076 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

The square root of 565414381 is about 23778.4436202204. The cubic root of 565414381 is about 826.9049977453.

The spelling of 565414381 in words is "five hundred sixty-five million, four hundred fourteen thousand, three hundred eighty-one".