25288229 has 2 divisors, whose sum is σ = 25288230. Its totient is φ = 25288228.

The previous prime is 25288223. The next prime is 25288301. The reversal of 25288229 is 92288252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24900100 + 388129 = 4990^2 + 623^2 .

It is a cyclic number.

It is not a de Polignac number, because 25288229 - 2⁴ = 25288213 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 25288192 and 25288201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25288223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12644114 + 12644115.

It is an arithmetic number, because the mean of its divisors is an integer number (12644115).

Almost surely, 2^25288229 is an apocalyptic number.

It is an amenable number.

25288229 is a deficient number, since it is larger than the sum of its proper divisors (1).

25288229 is an equidigital number, since it uses as much as digits as its factorization.

25288229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 38.

The square root of 25288229 is about 5028.7402995184. The cubic root of 25288229 is about 293.5211983834.

The spelling of 25288229 in words is "twenty-five million, two hundred eighty-eight thousand, two hundred twenty-nine".