246402643 has 2 divisors, whose sum is σ = 246402644. Its totient is φ = 246402642.

The previous prime is 246402631. The next prime is 246402649. The reversal of 246402643 is 346204642.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-246402643 is a prime.

It is not a weakly prime, because it can be changed into another prime (246402649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123201321 + 123201322.

It is an arithmetic number, because the mean of its divisors is an integer number (123201322).

Almost surely, 2^246402643 is an apocalyptic number.

246402643 is a deficient number, since it is larger than the sum of its proper divisors (1).

246402643 is an equidigital number, since it uses as much as digits as its factorization.

246402643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 31.

The square root of 246402643 is about 15697.2176833985. The cubic root of 246402643 is about 626.9243244400.

The spelling of 246402643 in words is "two hundred forty-six million, four hundred two thousand, six hundred forty-three".