254343054101057 has 2 divisors, whose sum is σ = 254343054101058. Its totient is φ = 254343054101056.

The previous prime is 254343054101053. The next prime is 254343054101111. The reversal of 254343054101057 is 750101450343452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185358667393201 + 68984386707856 = 13614649^2 + 8305684^2 .

It is a cyclic number.

It is not a de Polignac number, because 254343054101057 - 2² = 254343054101053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 254343054100999 and 254343054101017.

It is not a weakly prime, because it can be changed into another prime (254343054101053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127171527050528 + 127171527050529.

It is an arithmetic number, because the mean of its divisors is an integer number (127171527050529).

Almost surely, 2^{254343054101057} is an apocalyptic number.

It is an amenable number.

254343054101057 is a deficient number, since it is larger than the sum of its proper divisors (1).

254343054101057 is an equidigital number, since it uses as much as digits as its factorization.

254343054101057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008000, while the sum is 44.

The spelling of 254343054101057 in words is "two hundred fifty-four trillion, three hundred forty-three billion, fifty-four million, one hundred one thousand, fifty-seven".