254478953 has 2 divisors, whose sum is σ = 254478954. Its totient is φ = 254478952.

The previous prime is 254478929. The next prime is 254478971. The reversal of 254478953 is 359874452.

254478953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 253541929 + 937024 = 15923^2 + 968^2 .

It is a cyclic number.

It is not a de Polignac number, because 254478953 - 2¹⁴ = 254462569 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 254478898 and 254478907.

It is not a weakly prime, because it can be changed into another prime (254478853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127239476 + 127239477.

It is an arithmetic number, because the mean of its divisors is an integer number (127239477).

Almost surely, 2^254478953 is an apocalyptic number.

It is an amenable number.

254478953 is a deficient number, since it is larger than the sum of its proper divisors (1).

254478953 is an equidigital number, since it uses as much as digits as its factorization.

254478953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1209600, while the sum is 47.

The square root of 254478953 is about 15952.3964657352. The cubic root of 254478953 is about 633.7003637726.

The spelling of 254478953 in words is "two hundred fifty-four million, four hundred seventy-eight thousand, nine hundred fifty-three".