426501065 has 16 divisors (see below), whose sum is σ = 525537936. Its totient is φ = 332083200.

The previous prime is 426501041. The next prime is 426501071. The reversal of 426501065 is 560105624.

It can be written as a sum of positive squares in 8 ways, for example, as 230948809 + 195552256 = 15197^2 + 13984^2 .

It is not a de Polignac number, because 426501065 - 2²⁴ = 409723849 is a prime.

It is a super-2 number, since 2×426501065² = 363806316892268450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92249 + ... + 96761.

It is an arithmetic number, because the mean of its divisors is an integer number (32846121).

Almost surely, 2^426501065 is an apocalyptic number.

It is an amenable number.

426501065 is a deficient number, since it is larger than the sum of its proper divisors (99036871).

426501065 is a wasteful number, since it uses less digits than its factorization.

426501065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5020.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 426501065 is about 20651.9022126292. The cubic root of 426501065 is about 752.7314122918.

Adding to 426501065 its reverse (560105624), we get a palindrome (986606689).

The spelling of 426501065 in words is "four hundred twenty-six million, five hundred one thousand, sixty-five".