525421301 has 2 divisors, whose sum is σ = 525421302. Its totient is φ = 525421300.

The previous prime is 525421289. The next prime is 525421339. The reversal of 525421301 is 103124525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 287336401 + 238084900 = 16951^2 + 15430^2 .

It is a cyclic number.

It is not a de Polignac number, because 525421301 - 2¹⁰ = 525420277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525421901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262710650 + 262710651.

It is an arithmetic number, because the mean of its divisors is an integer number (262710651).

Almost surely, 2^525421301 is an apocalyptic number.

It is an amenable number.

525421301 is a deficient number, since it is larger than the sum of its proper divisors (1).

525421301 is an equidigital number, since it uses as much as digits as its factorization.

525421301 is an odious number, because the sum of its binary digits is odd.

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

The square root of 525421301 is about 22922.0701726524. The cubic root of 525421301 is about 806.9300555068.

Adding to 525421301 its reverse (103124525), we get a palindrome (628545826).

The spelling of 525421301 in words is "five hundred twenty-five million, four hundred twenty-one thousand, three hundred one".