427345165 has 8 divisors (see below), whose sum is σ = 552261528. Its totient is φ = 315577920.

The previous prime is 427345157. The next prime is 427345181. The reversal of 427345165 is 561543724.

It can be written as a sum of positive squares in 4 ways, for example, as 48692484 + 378652681 = 6978^2 + 19459^2 .

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

It is not a de Polignac number, because 427345165 - 2³ = 427345157 is a prime.

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, 3287206 + ... + 3287335.

It is an arithmetic number, because the mean of its divisors is an integer number (69032691).

Almost surely, 2^427345165 is an apocalyptic number.

It is an amenable number.

427345165 is a deficient number, since it is larger than the sum of its proper divisors (124916363).

427345165 is a wasteful number, since it uses less digits than its factorization.

427345165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6574559.

The product of its digits is 100800, while the sum is 37.

The square root of 427345165 is about 20672.3284851997. The cubic root of 427345165 is about 753.2276688713.

Adding to 427345165 its reverse (561543724), we get a palindrome (988888889).

The spelling of 427345165 in words is "four hundred twenty-seven million, three hundred forty-five thousand, one hundred sixty-five".