262506 has 16 divisors (see below), whose sum is σ = 533664. Its totient is φ = 86064.

The previous prime is 262501. The next prime is 262511. The reversal of 262506 is 605262.

It is an interprime number because it is at equal distance from previous prime (262501) and next prime (262511).

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 262506.

It is not an unprimeable number, because it can be changed into a prime (262501) by changing a digit.

262506 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76 + ... + 728.

It is an arithmetic number, because the mean of its divisors is an integer number (33354).

2²⁶²⁵⁰⁶ is an apocalyptic number.

262506 is an abundant number, since it is smaller than the sum of its proper divisors (271158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

262506 is a wasteful number, since it uses less digits than its factorization.

262506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 262506 is about 512.3533936650. The cubic root of 262506 is about 64.0294460853.

Adding to 262506 its reverse (605262), we get a palindrome (867768).

It can be divided in two parts, 26 and 2506, that multiplied together give a palindrome (65156).

The spelling of 262506 in words is "two hundred sixty-two thousand, five hundred six".