254216087 has 2 divisors, whose sum is σ = 254216088. Its totient is φ = 254216086.

The previous prime is 254216077. The next prime is 254216093. The reversal of 254216087 is 780612452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254216087 - 2⁴ = 254216071 is a prime.

It is equal to p_13897205 and since 254216087 and 13897205 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254216047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127108043 + 127108044.

It is an arithmetic number, because the mean of its divisors is an integer number (127108044).

Almost surely, 2^254216087 is an apocalyptic number.

254216087 is a deficient number, since it is larger than the sum of its proper divisors (1).

254216087 is an equidigital number, since it uses as much as digits as its factorization.

254216087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 254216087 is about 15944.1552614116. The cubic root of 254216087 is about 633.4820933723.

The spelling of 254216087 in words is "two hundred fifty-four million, two hundred sixteen thousand, eighty-seven".