254221603 has 2 divisors, whose sum is σ = 254221604. Its totient is φ = 254221602.

The previous prime is 254221601. The next prime is 254221609. The reversal of 254221603 is 306122452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 254221603 - 2¹ = 254221601 is a prime.

Together with 254221601, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (254221601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127110801 + 127110802.

It is an arithmetic number, because the mean of its divisors is an integer number (127110802).

Almost surely, 2^254221603 is an apocalyptic number.

254221603 is a deficient number, since it is larger than the sum of its proper divisors (1).

254221603 is an equidigital number, since it uses as much as digits as its factorization.

254221603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 254221603 is about 15944.3282392204. The cubic root of 254221603 is about 633.4866751200.

The spelling of 254221603 in words is "two hundred fifty-four million, two hundred twenty-one thousand, six hundred three".