246420641 has 2 divisors, whose sum is σ = 246420642. Its totient is φ = 246420640.

The previous prime is 246420617. The next prime is 246420649. The reversal of 246420641 is 146024642.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 246333025 + 87616 = 15695^2 + 296^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-246420641 is a prime.

It is not a weakly prime, because it can be changed into another prime (246420649) 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, 123210320 + 123210321.

It is an arithmetic number, because the mean of its divisors is an integer number (123210321).

Almost surely, 2^246420641 is an apocalyptic number.

It is an amenable number.

246420641 is a deficient number, since it is larger than the sum of its proper divisors (1).

246420641 is an equidigital number, since it uses as much as digits as its factorization.

246420641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 246420641 is about 15697.7909592401. The cubic root of 246420641 is about 626.9395882228.

The spelling of 246420641 in words is "two hundred forty-six million, four hundred twenty thousand, six hundred forty-one".