254728973 has 2 divisors, whose sum is σ = 254728974. Its totient is φ = 254728972.

The previous prime is 254728939. The next prime is 254729039. The reversal of 254728973 is 379827452.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196084009 + 58644964 = 14003^2 + 7658^2 .

It is a cyclic number.

It is not a de Polignac number, because 254728973 - 2¹⁴ = 254712589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254722973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127364486 + 127364487.

It is an arithmetic number, because the mean of its divisors is an integer number (127364487).

Almost surely, 2^254728973 is an apocalyptic number.

It is an amenable number.

254728973 is a deficient number, since it is larger than the sum of its proper divisors (1).

254728973 is an equidigital number, since it uses as much as digits as its factorization.

254728973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 47.

The square root of 254728973 is about 15960.2309820378. The cubic root of 254728973 is about 633.9078280890.

The spelling of 254728973 in words is "two hundred fifty-four million, seven hundred twenty-eight thousand, nine hundred seventy-three".