525253 has 2 divisors, whose sum is σ = 525254. Its totient is φ = 525252.

The previous prime is 525247. The next prime is 525257. The reversal of 525253 is 352525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 521284 + 3969 = 722^2 + 63^2 .

It is a cyclic number.

It is not a de Polignac number, because 525253 - 2⁵ = 525221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262626 + 262627.

It is an arithmetic number, because the mean of its divisors is an integer number (262627).

2⁵²⁵²⁵³ is an apocalyptic number.

It is an amenable number.

525253 is a deficient number, since it is larger than the sum of its proper divisors (1).

525253 is an equidigital number, since it uses as much as digits as its factorization.

525253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1500, while the sum is 22.

The square root of 525253 is about 724.7434028675. The cubic root of 525253 is about 80.6843888693.

Adding to 525253 its reverse (352525), we get a palindrome (877778).

The spelling of 525253 in words is "five hundred twenty-five thousand, two hundred fifty-three".