525402233 has 2 divisors, whose sum is σ = 525402234. Its totient is φ = 525402232.

The previous prime is 525402223. The next prime is 525402253. The reversal of 525402233 is 332204525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 507015289 + 18386944 = 22517^2 + 4288^2 .

It is a cyclic number.

It is not a de Polignac number, because 525402233 - 2⁴ = 525402217 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (525402203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262701116 + 262701117.

It is an arithmetic number, because the mean of its divisors is an integer number (262701117).

Almost surely, 2^525402233 is an apocalyptic number.

It is an amenable number.

525402233 is a deficient number, since it is larger than the sum of its proper divisors (1).

525402233 is an equidigital number, since it uses as much as digits as its factorization.

525402233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 525402233 is about 22921.6542378599. The cubic root of 525402233 is about 806.9202939888.

Adding to 525402233 its reverse (332204525), we get a palindrome (857606758).

The spelling of 525402233 in words is "five hundred twenty-five million, four hundred two thousand, two hundred thirty-three".