247336741 has 2 divisors, whose sum is σ = 247336742. Its totient is φ = 247336740.

The previous prime is 247336729. The next prime is 247336781. The reversal of 247336741 is 147633742.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212868100 + 34468641 = 14590^2 + 5871^2 .

It is a cyclic number.

It is not a de Polignac number, because 247336741 - 2⁵ = 247336709 is a prime.

It is a super-2 number, since 2×247336741² = 122350926897002162, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 247336741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (247336721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123668370 + 123668371.

It is an arithmetic number, because the mean of its divisors is an integer number (123668371).

Almost surely, 2^247336741 is an apocalyptic number.

It is an amenable number.

247336741 is a deficient number, since it is larger than the sum of its proper divisors (1).

247336741 is an equidigital number, since it uses as much as digits as its factorization.

247336741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 37.

The square root of 247336741 is about 15726.9431549809. The cubic root of 247336741 is about 627.7155366097.

The spelling of 247336741 in words is "two hundred forty-seven million, three hundred thirty-six thousand, seven hundred forty-one".