525073 has 4 divisors (see below), whose sum is σ = 537328. Its totient is φ = 512820.

The previous prime is 525043. The next prime is 525101. The reversal of 525073 is 370525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525073 is a prime.

525073 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (525013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6063 + ... + 6148.

It is an arithmetic number, because the mean of its divisors is an integer number (134332).

2⁵²⁵⁰⁷³ is an apocalyptic number.

It is an amenable number.

525073 is a deficient number, since it is larger than the sum of its proper divisors (12255).

525073 is a wasteful number, since it uses less digits than its factorization.

525073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12254.

The product of its (nonzero) digits is 1050, while the sum is 22.

The square root of 525073 is about 724.6192103443. The cubic root of 525073 is about 80.6751711848.

Adding to 525073 its reverse (370525), we get a palindrome (895598).

It can be divided in two parts, 5250 and 73, that multiplied together give a triangular number (383250 = T₈₇₅).

The spelling of 525073 in words is "five hundred twenty-five thousand, seventy-three".