262426 has 4 divisors (see below), whose sum is σ = 393642. Its totient is φ = 131212.

The previous prime is 262411. The next prime is 262433. The reversal of 262426 is 624262.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 140625 + 121801 = 375^2 + 349^2 .

It is a junction number, because it is equal to n+sod(n) for n = 262397 and 262406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65605 + ... + 65608.

2²⁶²⁴²⁶ is an apocalyptic number.

262426 is a deficient number, since it is larger than the sum of its proper divisors (131216).

262426 is a wasteful number, since it uses less digits than its factorization.

262426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131215.

The product of its digits is 1152, while the sum is 22.

The square root of 262426 is about 512.2753166023. The cubic root of 262426 is about 64.0229409945.

Adding to 262426 its reverse (624262), we get a palindrome (886688).

The spelling of 262426 in words is "two hundred sixty-two thousand, four hundred twenty-six".