206265025 has 12 divisors (see below), whose sum is σ = 256125100. Its totient is φ = 164782080.

The previous prime is 206265013. The next prime is 206265049. The reversal of 206265025 is 520562602.

It can be written as a sum of positive squares in 6 ways, for example, as 944784 + 205320241 = 972^2 + 14329^2 .

It is not a de Polignac number, because 206265025 - 2¹¹ = 206262977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 206264984 and 206265002.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 13861 + ... + 24589.

Almost surely, 2^206265025 is an apocalyptic number.

206265025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

206265025 is a deficient number, since it is larger than the sum of its proper divisors (49860075).

206265025 is a wasteful number, since it uses less digits than its factorization.

206265025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11508 (or 11503 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 206265025 is about 14361.9297101747. The cubic root of 206265025 is about 590.8472219786.

It can be divided in two parts, 20626 and 5025, that added together give a triangular number (25651 = T₂₂₆).

The spelling of 206265025 in words is "two hundred six million, two hundred sixty-five thousand, twenty-five".