246689741 has 2 divisors, whose sum is σ = 246689742. Its totient is φ = 246689740.

The previous prime is 246689659. The next prime is 246689759. The reversal of 246689741 is 147986642.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 236513641 + 10176100 = 15379^2 + 3190^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-246689741 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (246689761) 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, 123344870 + 123344871.

It is an arithmetic number, because the mean of its divisors is an integer number (123344871).

Almost surely, 2^246689741 is an apocalyptic number.

It is an amenable number.

246689741 is a deficient number, since it is larger than the sum of its proper divisors (1).

246689741 is an equidigital number, since it uses as much as digits as its factorization.

246689741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 47.

The square root of 246689741 is about 15706.3598901846. The cubic root of 246689741 is about 627.1677185552.

The spelling of 246689741 in words is "two hundred forty-six million, six hundred eighty-nine thousand, seven hundred forty-one".