526831 has 2 divisors, whose sum is σ = 526832. Its totient is φ = 526830.

The previous prime is 526829. The next prime is 526837. The reversal of 526831 is 138625.

It is a happy number.

526831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 526831 - 2¹ = 526829 is a prime.

It is a super-2 number, since 2×526831² = 555101805122, which contains 22 as substring.

Together with 526829, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 5 + 2¹⁹ + 8³ + 6⁴ + 3⁶ + 1 .

It is a junction number, because it is equal to n+sod(n) for n = 526796 and 526805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (526837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263415 + 263416.

It is an arithmetic number, because the mean of its divisors is an integer number (263416).

2⁵²⁶⁸³¹ is an apocalyptic number.

526831 is a deficient number, since it is larger than the sum of its proper divisors (1).

526831 is an equidigital number, since it uses as much as digits as its factorization.

526831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 25.

The square root of 526831 is about 725.8312476051. The cubic root of 526831 is about 80.7651072260.

The spelling of 526831 in words is "five hundred twenty-six thousand, eight hundred thirty-one".