534478565 has 8 divisors (see below), whose sum is σ = 641522808. Its totient is φ = 427483840.

The previous prime is 534478513. The next prime is 534478591. The reversal of 534478565 is 565874435.

It can be written as a sum of positive squares in 4 ways, for example, as 15413476 + 519065089 = 3926^2 + 22783^2 .

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

It is not a de Polignac number, because 534478565 - 2¹⁸ = 534216421 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, 18275 + ... + 37455.

It is an arithmetic number, because the mean of its divisors is an integer number (80190351).

Almost surely, 2^534478565 is an apocalyptic number.

It is an amenable number.

534478565 is a deficient number, since it is larger than the sum of its proper divisors (107044243).

534478565 is a wasteful number, since it uses less digits than its factorization.

534478565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24759.

The product of its digits is 2016000, while the sum is 47.

The square root of 534478565 is about 23118.7924641405. The cubic root of 534478565 is about 811.5403119557.

The spelling of 534478565 in words is "five hundred thirty-four million, four hundred seventy-eight thousand, five hundred sixty-five".