205425541 has 2 divisors, whose sum is σ = 205425542. Its totient is φ = 205425540.

The previous prime is 205425469. The next prime is 205425547. The reversal of 205425541 is 145524502.

205425541 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 can be written as a sum of positive squares in only one way, i.e., 175668516 + 29757025 = 13254^2 + 5455^2 .

It is a cyclic number.

It is not a de Polignac number, because 205425541 - 2¹³ = 205417349 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205425547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102712770 + 102712771.

It is an arithmetic number, because the mean of its divisors is an integer number (102712771).

Almost surely, 2^205425541 is an apocalyptic number.

It is an amenable number.

205425541 is a deficient number, since it is larger than the sum of its proper divisors (1).

205425541 is an equidigital number, since it uses as much as digits as its factorization.

205425541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 205425541 is about 14332.6738956832. The cubic root of 205425541 is about 590.0445633294.

The spelling of 205425541 in words is "two hundred five million, four hundred twenty-five thousand, five hundred forty-one".