244550641 has 2 divisors, whose sum is σ = 244550642. Its totient is φ = 244550640.

The previous prime is 244550633. The next prime is 244550659. The reversal of 244550641 is 146055442.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 241647025 + 2903616 = 15545^2 + 1704^2 .

It is a cyclic number.

It is not a de Polignac number, because 244550641 - 2³ = 244550633 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (244550681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122275320 + 122275321.

It is an arithmetic number, because the mean of its divisors is an integer number (122275321).

Almost surely, 2^244550641 is an apocalyptic number.

It is an amenable number.

244550641 is a deficient number, since it is larger than the sum of its proper divisors (1).

244550641 is an equidigital number, since it uses as much as digits as its factorization.

244550641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 244550641 is about 15638.1150078902. The cubic root of 244550641 is about 625.3496846366.

The spelling of 244550641 in words is "two hundred forty-four million, five hundred fifty thousand, six hundred forty-one".