526081 has 4 divisors (see below), whose sum is σ = 529200. Its totient is φ = 522964.

The previous prime is 526073. The next prime is 526087. The reversal of 526081 is 180625.

It is a happy number.

526081 is nontrivially palindromic in base 5.

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 526081 - 2³ = 526073 is a prime.

It is a super-2 number, since 2×526081² = 553522437122, which contains 22 as substring.

It is a Duffinian number.

526081 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (526087) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1291 + ... + 1648.

It is an arithmetic number, because the mean of its divisors is an integer number (132300).

2⁵²⁶⁰⁸¹ is an apocalyptic number.

It is an amenable number.

526081 is a deficient number, since it is larger than the sum of its proper divisors (3119).

526081 is a wasteful number, since it uses less digits than its factorization.

526081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3118.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 526081 is about 725.3144145817. The cubic root of 526081 is about 80.7267631159.

The spelling of 526081 in words is "five hundred twenty-six thousand, eighty-one".