526369 has 4 divisors (see below), whose sum is σ = 535060. Its totient is φ = 517680.

The previous prime is 526367. The next prime is 526373. The reversal of 526369 is 963625.

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

It can be written as a sum of positive squares in 2 ways, for example, as 180625 + 345744 = 425^2 + 588^2 .

It is a cyclic number.

It is not a de Polignac number, because 526369 - 2¹ = 526367 is a prime.

It is a super-2 number, since 2×526369² = 554128648322, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 526369.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (526367) 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, 4254 + ... + 4375.

It is an arithmetic number, because the mean of its divisors is an integer number (133765).

2⁵²⁶³⁶⁹ is an apocalyptic number.

It is an amenable number.

526369 is a deficient number, since it is larger than the sum of its proper divisors (8691).

526369 is an equidigital number, since it uses as much as digits as its factorization.

526369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8690.

The product of its digits is 9720, while the sum is 31.

The square root of 526369 is about 725.5129220076. The cubic root of 526369 is about 80.7414915617.

The spelling of 526369 in words is "five hundred twenty-six thousand, three hundred sixty-nine".