526145 has 4 divisors (see below), whose sum is σ = 631380. Its totient is φ = 420912.

The previous prime is 526139. The next prime is 526157. The reversal of 526145 is 541625.

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 379456 + 146689 = 616^2 + 383^2 .

It is a cyclic number.

It is not a de Polignac number, because 526145 - 2¹⁶ = 460609 is a prime.

It is a super-2 number, since 2×526145² = 553657122050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 526145.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52610 + ... + 52619.

It is an arithmetic number, because the mean of its divisors is an integer number (157845).

2⁵²⁶¹⁴⁵ is an apocalyptic number.

It is an amenable number.

526145 is a deficient number, since it is larger than the sum of its proper divisors (105235).

526145 is a wasteful number, since it uses less digits than its factorization.

526145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105234.

The product of its digits is 1200, while the sum is 23.

The square root of 526145 is about 725.3585320378. The cubic root of 526145 is about 80.7300365683.

The spelling of 526145 in words is "five hundred twenty-six thousand, one hundred forty-five".