254433457 has 2 divisors, whose sum is σ = 254433458. Its totient is φ = 254433456.

The previous prime is 254433409. The next prime is 254433463. The reversal of 254433457 is 754334452.

254433457 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., 233356176 + 21077281 = 15276^2 + 4591^2 .

It is a cyclic number.

It is not a de Polignac number, because 254433457 - 2¹⁹ = 253909169 is a prime.

It is not a weakly prime, because it can be changed into another prime (254433757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127216728 + 127216729.

It is an arithmetic number, because the mean of its divisors is an integer number (127216729).

Almost surely, 2^254433457 is an apocalyptic number.

It is an amenable number.

254433457 is a deficient number, since it is larger than the sum of its proper divisors (1).

254433457 is an equidigital number, since it uses as much as digits as its factorization.

254433457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 37.

The square root of 254433457 is about 15950.9704093513. The cubic root of 254433457 is about 633.6625969951.

It can be divided in two parts, 25443 and 3457, that added together give a square (28900 = 170²).

The spelling of 254433457 in words is "two hundred fifty-four million, four hundred thirty-three thousand, four hundred fifty-seven".