253635225 has 24 divisors (see below), whose sum is σ = 429576672. Its totient is φ = 131971200.

The previous prime is 253635163. The next prime is 253635229. The reversal of 253635225 is 522536352.

It is not a de Polignac number, because 253635225 - 2⁷ = 253635097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253635229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38167 + ... + 44316.

It is an arithmetic number, because the mean of its divisors is an integer number (17899028).

Almost surely, 2^253635225 is an apocalyptic number.

253635225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

253635225 is a deficient number, since it is larger than the sum of its proper divisors (175941447).

253635225 is a wasteful number, since it uses less digits than its factorization.

253635225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82537 (or 82532 counting only the distinct ones).

The product of its digits is 54000, while the sum is 33.

The square root of 253635225 is about 15925.9293292417. The cubic root of 253635225 is about 632.9992413059. Note that the first 3 decimals are identical.

The spelling of 253635225 in words is "two hundred fifty-three million, six hundred thirty-five thousand, two hundred twenty-five".