246855493 has 2 divisors, whose sum is σ = 246855494. Its totient is φ = 246855492.

The previous prime is 246855491. The next prime is 246855517. The reversal of 246855493 is 394558642.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 246395809 + 459684 = 15697^2 + 678^2 .

It is a cyclic number.

It is not a de Polignac number, because 246855493 - 2¹ = 246855491 is a prime.

Together with 246855491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (246855491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123427746 + 123427747.

It is an arithmetic number, because the mean of its divisors is an integer number (123427747).

Almost surely, 2^246855493 is an apocalyptic number.

It is an amenable number.

246855493 is a deficient number, since it is larger than the sum of its proper divisors (1).

246855493 is an equidigital number, since it uses as much as digits as its factorization.

246855493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1036800, while the sum is 46.

The square root of 246855493 is about 15711.6355927701. The cubic root of 246855493 is about 627.3081527561.

The spelling of 246855493 in words is "two hundred forty-six million, eight hundred fifty-five thousand, four hundred ninety-three".