254506565057 has 2 divisors, whose sum is σ = 254506565058. Its totient is φ = 254506565056.

The previous prime is 254506565029. The next prime is 254506565069. The reversal of 254506565057 is 750565605452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138241932481 + 116264632576 = 371809^2 + 340976^2 .

It is a cyclic number.

It is not a de Polignac number, because 254506565057 - 2⁶ = 254506564993 is a prime.

It is a super-2 number, since 2×254506565057² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 254506564996 and 254506565014.

It is not a weakly prime, because it can be changed into another prime (254506567057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127253282528 + 127253282529.

It is an arithmetic number, because the mean of its divisors is an integer number (127253282529).

Almost surely, 2^254506565057 is an apocalyptic number.

It is an amenable number.

254506565057 is a deficient number, since it is larger than the sum of its proper divisors (1).

254506565057 is an equidigital number, since it uses as much as digits as its factorization.

254506565057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300000, while the sum is 50.

The spelling of 254506565057 in words is "two hundred fifty-four billion, five hundred six million, five hundred sixty-five thousand, fifty-seven".