225102529 has 2 divisors, whose sum is σ = 225102530. Its totient is φ = 225102528.

The previous prime is 225102517. The next prime is 225102533. The reversal of 225102529 is 925201522.

225102529 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162613504 + 62489025 = 12752^2 + 7905^2 .

It is a cyclic number.

It is not a de Polignac number, because 225102529 - 2¹¹ = 225100481 is a prime.

It is a super-2 number, since 2×225102529² = 101342297124391682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 225102497 and 225102506.

It is not a weakly prime, because it can be changed into another prime (225102509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112551264 + 112551265.

It is an arithmetic number, because the mean of its divisors is an integer number (112551265).

Almost surely, 2^225102529 is an apocalyptic number.

It is an amenable number.

225102529 is a deficient number, since it is larger than the sum of its proper divisors (1).

225102529 is an equidigital number, since it uses as much as digits as its factorization.

225102529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 225102529 is about 15003.4172440814. The cubic root of 225102529 is about 608.3125710226.

The spelling of 225102529 in words is "two hundred twenty-five million, one hundred two thousand, five hundred twenty-nine".