244005407 has 2 divisors, whose sum is σ = 244005408. Its totient is φ = 244005406.

The previous prime is 244005401. The next prime is 244005409. The reversal of 244005407 is 704500442.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 244005407 - 2¹² = 244001311 is a prime.

Together with 244005409, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244005401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122002703 + 122002704.

It is an arithmetic number, because the mean of its divisors is an integer number (122002704).

Almost surely, 2^244005407 is an apocalyptic number.

244005407 is a deficient number, since it is larger than the sum of its proper divisors (1).

244005407 is an equidigital number, since it uses as much as digits as its factorization.

244005407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 244005407 is about 15620.6724247069. The cubic root of 244005407 is about 624.8845926645.

Adding to 244005407 its reverse (704500442), we get a palindrome (948505849).

The spelling of 244005407 in words is "two hundred forty-four million, five thousand, four hundred seven".