525220237 has 2 divisors, whose sum is σ = 525220238. Its totient is φ = 525220236.

The previous prime is 525220207. The next prime is 525220243. The reversal of 525220237 is 732022525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 350213796 + 175006441 = 18714^2 + 13229^2 .

It is a cyclic number.

It is not a de Polignac number, because 525220237 - 2¹¹ = 525218189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525220207) 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, 262610118 + 262610119.

It is an arithmetic number, because the mean of its divisors is an integer number (262610119).

Almost surely, 2^525220237 is an apocalyptic number.

It is an amenable number.

525220237 is a deficient number, since it is larger than the sum of its proper divisors (1).

525220237 is an equidigital number, since it uses as much as digits as its factorization.

525220237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 525220237 is about 22917.6839362096. The cubic root of 525220237 is about 806.8271125388.

The spelling of 525220237 in words is "five hundred twenty-five million, two hundred twenty thousand, two hundred thirty-seven".