537826 has 4 divisors (see below), whose sum is σ = 806742. Its totient is φ = 268912.

The previous prime is 537811. The next prime is 537841. The reversal of 537826 is 628735.

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

It is an interprime number because it is at equal distance from previous prime (537811) and next prime (537841).

It can be written as a sum of positive squares in only one way, i.e., 416025 + 121801 = 645^2 + 349^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134455 + ... + 134458.

537826 is a Friedman number, since it can be written as 7+(8+6)^5-3-2, using all its digits and the basic arithmetic operations.

2⁵³⁷⁸²⁶ is an apocalyptic number.

537826 is a deficient number, since it is larger than the sum of its proper divisors (268916).

537826 is a wasteful number, since it uses less digits than its factorization.

537826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268915.

The product of its digits is 10080, while the sum is 31.

The square root of 537826 is about 733.3662113842. The cubic root of 537826 is about 81.3231010747.

Subtracting 537826 from its reverse (628735), we obtain a palindrome (90909).

The spelling of 537826 in words is "five hundred thirty-seven thousand, eight hundred twenty-six".