206270225 has 24 divisors (see below), whose sum is σ = 294647808. Its totient is φ = 140313600.

The previous prime is 206270201. The next prime is 206270237. The reversal of 206270225 is 522072602.

206270225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 206270225 - 2⁸ = 206269969 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 206270194 and 206270203.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17585 + ... + 26865.

It is an arithmetic number, because the mean of its divisors is an integer number (12276992).

Almost surely, 2^206270225 is an apocalyptic number.

206270225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

206270225 is a deficient number, since it is larger than the sum of its proper divisors (88377583).

206270225 is a wasteful number, since it uses less digits than its factorization.

206270225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9425 (or 9420 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 206270225 is about 14362.1107432021. The cubic root of 206270225 is about 590.8521870791.

The spelling of 206270225 in words is "two hundred six million, two hundred seventy thousand, two hundred twenty-five".