244538401 has 2 divisors, whose sum is σ = 244538402. Its totient is φ = 244538400.

The previous prime is 244538381. The next prime is 244538407. The reversal of 244538401 is 104835442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244109376 + 429025 = 15624^2 + 655^2 .

It is a cyclic number.

It is not a de Polignac number, because 244538401 - 2¹¹ = 244536353 is a prime.

It is not a weakly prime, because it can be changed into another prime (244538407) 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, 122269200 + 122269201.

It is an arithmetic number, because the mean of its divisors is an integer number (122269201).

Almost surely, 2^244538401 is an apocalyptic number.

It is an amenable number.

244538401 is a deficient number, since it is larger than the sum of its proper divisors (1).

244538401 is an equidigital number, since it uses as much as digits as its factorization.

244538401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 244538401 is about 15637.7236514782. The cubic root of 244538401 is about 625.3392513403.

The spelling of 244538401 in words is "two hundred forty-four million, five hundred thirty-eight thousand, four hundred one".