426529 has 4 divisors (see below), whose sum is σ = 440320. Its totient is φ = 412740.

The previous prime is 426527. The next prime is 426541. The reversal of 426529 is 925624.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 426529 - 2¹ = 426527 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 426497 and 426506.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6849 + ... + 6910.

It is an arithmetic number, because the mean of its divisors is an integer number (110080).

2⁴²⁶⁵²⁹ is an apocalyptic number.

It is an amenable number.

426529 is a deficient number, since it is larger than the sum of its proper divisors (13791).

426529 is a wasteful number, since it uses less digits than its factorization.

426529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13790.

The product of its digits is 4320, while the sum is 28.

The square root of 426529 is about 653.0918771505. The cubic root of 426529 is about 75.2747846087.

The spelling of 426529 in words is "four hundred twenty-six thousand, five hundred twenty-nine".