254505727901 has 2 divisors, whose sum is σ = 254505727902. Its totient is φ = 254505727900.

The previous prime is 254505727837. The next prime is 254505727943. The reversal of 254505727901 is 109727505452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186149102500 + 68356625401 = 431450^2 + 261451^2 .

It is a cyclic number.

It is not a de Polignac number, because 254505727901 - 2⁶ = 254505727837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254505727961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127252863950 + 127252863951.

It is an arithmetic number, because the mean of its divisors is an integer number (127252863951).

Almost surely, 2^254505727901 is an apocalyptic number.

It is an amenable number.

254505727901 is a deficient number, since it is larger than the sum of its proper divisors (1).

254505727901 is an equidigital number, since it uses as much as digits as its factorization.

254505727901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 882000, while the sum is 47.

The spelling of 254505727901 in words is "two hundred fifty-four billion, five hundred five million, seven hundred twenty-seven thousand, nine hundred one".