254302661 has 2 divisors, whose sum is σ = 254302662. Its totient is φ = 254302660.

The previous prime is 254302619. The next prime is 254302673. The reversal of 254302661 is 166203452.

254302661 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., 176757025 + 77545636 = 13295^2 + 8806^2 .

It is a cyclic number.

It is not a de Polignac number, because 254302661 - 2⁶ = 254302597 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254302681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127151330 + 127151331.

It is an arithmetic number, because the mean of its divisors is an integer number (127151331).

Almost surely, 2^254302661 is an apocalyptic number.

It is an amenable number.

254302661 is a deficient number, since it is larger than the sum of its proper divisors (1).

254302661 is an equidigital number, since it uses as much as digits as its factorization.

254302661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 254302661 is about 15946.8699436598. The cubic root of 254302661 is about 633.5539965773.

The spelling of 254302661 in words is "two hundred fifty-four million, three hundred two thousand, six hundred sixty-one".