426501 has 6 divisors (see below), whose sum is σ = 616070. Its totient is φ = 284328.

The previous prime is 426487. The next prime is 426527. The reversal of 426501 is 105624.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 245025 + 181476 = 495^2 + 426^2 .

It is not a de Polignac number, because 426501 - 2⁵ = 426469 is a prime.

It is a Duffinian number.

426501 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426541) 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, 23686 + ... + 23703.

2⁴²⁶⁵⁰¹ is an apocalyptic number.

It is an amenable number.

426501 is a deficient number, since it is larger than the sum of its proper divisors (189569).

426501 is a wasteful number, since it uses less digits than its factorization.

426501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47395 (or 47392 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 426501 is about 653.0704403049. The cubic root of 426501 is about 75.2731374052.

The spelling of 426501 in words is "four hundred twenty-six thousand, five hundred one".