246440401 has 2 divisors, whose sum is σ = 246440402. Its totient is φ = 246440400.

The previous prime is 246440399. The next prime is 246440419. The reversal of 246440401 is 104044642.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230432400 + 16008001 = 15180^2 + 4001^2 .

It is a cyclic number.

It is not a de Polignac number, because 246440401 - 2¹ = 246440399 is a prime.

Together with 246440399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (246440471) 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, 123220200 + 123220201.

It is an arithmetic number, because the mean of its divisors is an integer number (123220201).

Almost surely, 2^246440401 is an apocalyptic number.

It is an amenable number.

246440401 is a deficient number, since it is larger than the sum of its proper divisors (1).

246440401 is an equidigital number, since it uses as much as digits as its factorization.

246440401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 246440401 is about 15698.4203345432. The cubic root of 246440401 is about 626.9563454705.

The spelling of 246440401 in words is "two hundred forty-six million, four hundred forty thousand, four hundred one".