205426051 has 2 divisors, whose sum is σ = 205426052. Its totient is φ = 205426050.

The previous prime is 205426037. The next prime is 205426061. The reversal of 205426051 is 150624502.

205426051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 205426051 - 2⁵ = 205426019 is a prime.

It is not a weakly prime, because it can be changed into another prime (205426061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102713025 + 102713026.

It is an arithmetic number, because the mean of its divisors is an integer number (102713026).

Almost surely, 2^205426051 is an apocalyptic number.

205426051 is a deficient number, since it is larger than the sum of its proper divisors (1).

205426051 is an equidigital number, since it uses as much as digits as its factorization.

205426051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 205426051 is about 14332.6916871884. The cubic root of 205426051 is about 590.0450516206.

The spelling of 205426051 in words is "two hundred five million, four hundred twenty-six thousand, fifty-one".