205701025 has 6 divisors (see below), whose sum is σ = 255069302. Its totient is φ = 164560800.

The previous prime is 205701007. The next prime is 205701053. The reversal of 205701025 is 520107502.

205701025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 839056 + 204861969 = 916^2 + 14313^2 .

It is not a de Polignac number, because 205701025 - 2⁵ = 205700993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 205700987 and 205701005.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4113996 + ... + 4114045.

Almost surely, 2^205701025 is an apocalyptic number.

205701025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

205701025 is a deficient number, since it is larger than the sum of its proper divisors (49368277).

205701025 is an equidigital number, since it uses as much as digits as its factorization.

205701025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8228051 (or 8228046 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 205701025 is about 14342.2810249974. The cubic root of 205701025 is about 590.3082034277.

Adding to 205701025 its reverse (520107502), we get a palindrome (725808527).

The spelling of 205701025 in words is "two hundred five million, seven hundred one thousand, twenty-five".