246456641 has 2 divisors, whose sum is σ = 246456642. Its totient is φ = 246456640.

The previous prime is 246456601. The next prime is 246456643. The reversal of 246456641 is 146654642.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163737616 + 82719025 = 12796^2 + 9095^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-246456641 is a prime.

Together with 246456643, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 246456595 and 246456604.

It is not a weakly prime, because it can be changed into another prime (246456643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123228320 + 123228321.

It is an arithmetic number, because the mean of its divisors is an integer number (123228321).

Almost surely, 2^246456641 is an apocalyptic number.

It is an amenable number.

246456641 is a deficient number, since it is larger than the sum of its proper divisors (1).

246456641 is an equidigital number, since it uses as much as digits as its factorization.

246456641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 38.

The square root of 246456641 is about 15698.9375755177. The cubic root of 246456641 is about 626.9701169508.

The spelling of 246456641 in words is "two hundred forty-six million, four hundred fifty-six thousand, six hundred forty-one".