4550401 has 2 divisors, whose sum is σ = 4550402. Its totient is φ = 4550400.

The previous prime is 4550387. The next prime is 4550411. The reversal of 4550401 is 1040554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3783025 + 767376 = 1945^2 + 876^2 .

It is a cyclic number.

It is not a de Polignac number, because 4550401 - 2⁵ = 4550369 is a prime.

It is a super-2 number, since 2×4550401² = 41412298521602, which contains 22 as substring.

4550401 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4550411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2275200 + 2275201.

It is an arithmetic number, because the mean of its divisors is an integer number (2275201).

Almost surely, 2^4550401 is an apocalyptic number.

It is an amenable number.

4550401 is a deficient number, since it is larger than the sum of its proper divisors (1).

4550401 is an equidigital number, since it uses as much as digits as its factorization.

4550401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 4550401 is about 2133.1668945490. The cubic root of 4550401 is about 165.7104474721.

Adding to 4550401 its reverse (1040554), we get a palindrome (5590955).

The spelling of 4550401 in words is "four million, five hundred fifty thousand, four hundred one".