426507 has 4 divisors (see below), whose sum is σ = 568680. Its totient is φ = 284336.

The previous prime is 426487. The next prime is 426527. The reversal of 426507 is 705624.

It is a happy number.

426507 is nontrivially palindromic in base 2.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (426487) and next prime (426527).

It is a cyclic number.

It is not a de Polignac number, because 426507 - 2¹⁵ = 393739 is a prime.

It is a D-number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 426507.

It is not an unprimeable number, because it can be changed into a prime (426527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71082 + ... + 71087.

It is an arithmetic number, because the mean of its divisors is an integer number (142170).

2⁴²⁶⁵⁰⁷ is an apocalyptic number.

426507 is a deficient number, since it is larger than the sum of its proper divisors (142173).

426507 is a wasteful number, since it uses less digits than its factorization.

426507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142172.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 426507 is about 653.0750339739. The cubic root of 426507 is about 75.2734903835.

The spelling of 426507 in words is "four hundred twenty-six thousand, five hundred seven".