247243033 has 2 divisors, whose sum is σ = 247243034. Its totient is φ = 247243032.

The previous prime is 247242971. The next prime is 247243103. The reversal of 247243033 is 330342742.

247243033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 227768464 + 19474569 = 15092^2 + 4413^2 .

It is a cyclic number.

It is not a de Polignac number, because 247243033 - 2⁹ = 247242521 is a prime.

It is a super-2 number, since 2×247243033² = 122258234734078178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 247242992 and 247243010.

It is not a weakly prime, because it can be changed into another prime (247213033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123621516 + 123621517.

It is an arithmetic number, because the mean of its divisors is an integer number (123621517).

Almost surely, 2^247243033 is an apocalyptic number.

It is an amenable number.

247243033 is a deficient number, since it is larger than the sum of its proper divisors (1).

247243033 is an equidigital number, since it uses as much as digits as its factorization.

247243033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 28.

The square root of 247243033 is about 15723.9636542444. The cubic root of 247243033 is about 627.6362527995.

Adding to 247243033 its reverse (330342742), we get a palindrome (577585775).

The spelling of 247243033 in words is "two hundred forty-seven million, two hundred forty-three thousand, thirty-three".