2444401 has 2 divisors, whose sum is σ = 2444402. Its totient is φ = 2444400.
The previous prime is 2444383. The next prime is 2444411. The reversal of 2444401 is 1044442.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1677025 + 767376 = 1295^2 + 876^2 .
It is a cyclic number.
It is not a de Polignac number, because 2444401 - 211 = 2442353 is a prime.
2444401 is a lucky number.
It is a plaindrome in base 13.
It is not a weakly prime, because it can be changed into another prime (2444411) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1222200 + 1222201.
It is an arithmetic number, because the mean of its divisors is an integer number (1222201).
22444401 is an apocalyptic number.
It is an amenable number.
2444401 is a deficient number, since it is larger than the sum of its proper divisors (1).
2444401 is an equidigital number, since it uses as much as digits as its factorization.
2444401 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 512, while the sum is 19.
The square root of 2444401 is about 1563.4580262994. The cubic root of 2444401 is about 134.7072026398.
Adding to 2444401 its reverse (1044442), we get a palindrome (3488843).
The spelling of 2444401 in words is "two million, four hundred forty-four thousand, four hundred one".
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