526365 has 32 divisors (see below), whose sum is σ = 1071360. Its totient is φ = 240192.

The previous prime is 526307. The next prime is 526367. The reversal of 526365 is 563625.

It is not a de Polignac number, because 526365 - 2¹⁶ = 460829 is a prime.

It is a super-2 number, since 2×526365² = 554120226450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a Curzon number.

526365 is a lucky number.

It is a plaindrome in base 13.

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 31 ways as a sum of consecutive naturals, for example, 667 + ... + 1223.

It is an arithmetic number, because the mean of its divisors is an integer number (33480).

2⁵²⁶³⁶⁵ is an apocalyptic number.

It is an amenable number.

526365 is an abundant number, since it is smaller than the sum of its proper divisors (544995).

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

526365 is a wasteful number, since it uses less digits than its factorization.

526365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578 (or 572 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 526365 is about 725.5101653320. The cubic root of 526365 is about 80.7412870367.

The spelling of 526365 in words is "five hundred twenty-six thousand, three hundred sixty-five".