244661903 has 2 divisors, whose sum is σ = 244661904. Its totient is φ = 244661902.

The previous prime is 244661897. The next prime is 244661929. The reversal of 244661903 is 309166442.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 244661903 - 2¹⁸ = 244399759 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244661933) 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, 122330951 + 122330952.

It is an arithmetic number, because the mean of its divisors is an integer number (122330952).

Almost surely, 2^244661903 is an apocalyptic number.

244661903 is a deficient number, since it is larger than the sum of its proper divisors (1).

244661903 is an equidigital number, since it uses as much as digits as its factorization.

244661903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 244661903 is about 15641.6720014198. The cubic root of 244661903 is about 625.4445076791. Note that the first 3 decimals are identical.

The spelling of 244661903 in words is "two hundred forty-four million, six hundred sixty-one thousand, nine hundred three".