525053 has 4 divisors (see below), whose sum is σ = 529980. Its totient is φ = 520128.

The previous prime is 525043. The next prime is 525101. The reversal of 525053 is 350525.

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 190969 + 334084 = 437^2 + 578^2 .

It is a cyclic number.

It is not a de Polignac number, because 525053 - 2¹² = 520957 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525013) 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, 2300 + ... + 2517.

It is an arithmetic number, because the mean of its divisors is an integer number (132495).

2⁵²⁵⁰⁵³ is an apocalyptic number.

It is an amenable number.

525053 is a deficient number, since it is larger than the sum of its proper divisors (4927).

525053 is a wasteful number, since it uses less digits than its factorization.

525053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4926.

The product of its (nonzero) digits is 750, while the sum is 20.

The square root of 525053 is about 724.6054098611. The cubic root of 525053 is about 80.6741468676.

Adding to 525053 its reverse (350525), we get a palindrome (875578).

The spelling of 525053 in words is "five hundred twenty-five thousand, fifty-three".