254220433 has 2 divisors, whose sum is σ = 254220434. Its totient is φ = 254220432.

The previous prime is 254220389. The next prime is 254220469. The reversal of 254220433 is 334022452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 251634769 + 2585664 = 15863^2 + 1608^2 .

It is a cyclic number.

It is not a de Polignac number, because 254220433 - 2¹³ = 254212241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 254220398 and 254220407.

It is not a weakly prime, because it can be changed into another prime (254220233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127110216 + 127110217.

It is an arithmetic number, because the mean of its divisors is an integer number (127110217).

Almost surely, 2^254220433 is an apocalyptic number.

It is an amenable number.

254220433 is a deficient number, since it is larger than the sum of its proper divisors (1).

254220433 is an equidigital number, since it uses as much as digits as its factorization.

254220433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 254220433 is about 15944.2915490153. The cubic root of 254220433 is about 633.4857032900.

Adding to 254220433 its reverse (334022452), we get a palindrome (588242885).

The spelling of 254220433 in words is "two hundred fifty-four million, two hundred twenty thousand, four hundred thirty-three".