246161389 has 2 divisors, whose sum is σ = 246161390. Its totient is φ = 246161388.

The previous prime is 246161381. The next prime is 246161429. The reversal of 246161389 is 983161642.

It is an a-pointer prime, because the next prime (246161429) can be obtained adding 246161389 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 242424900 + 3736489 = 15570^2 + 1933^2 .

It is a cyclic number.

It is not a de Polignac number, because 246161389 - 2³ = 246161381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (246161381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123080694 + 123080695.

It is an arithmetic number, because the mean of its divisors is an integer number (123080695).

Almost surely, 2^246161389 is an apocalyptic number.

It is an amenable number.

246161389 is a deficient number, since it is larger than the sum of its proper divisors (1).

246161389 is an equidigital number, since it uses as much as digits as its factorization.

246161389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 40.

The square root of 246161389 is about 15689.5311912115. The cubic root of 246161389 is about 626.7196494299.

The spelling of 246161389 in words is "two hundred forty-six million, one hundred sixty-one thousand, three hundred eighty-nine".