247338283 has 2 divisors, whose sum is σ = 247338284. Its totient is φ = 247338282.

The previous prime is 247338277. The next prime is 247338317. The reversal of 247338283 is 382833742.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 247338283 - 2¹³ = 247330091 is a prime.

It is a super-2 number, since 2×247338283² = 122352452474776178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (247338233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123669141 + 123669142.

It is an arithmetic number, because the mean of its divisors is an integer number (123669142).

Almost surely, 2^247338283 is an apocalyptic number.

247338283 is a deficient number, since it is larger than the sum of its proper divisors (1).

247338283 is an equidigital number, since it uses as much as digits as its factorization.

247338283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 40.

The square root of 247338283 is about 15726.9921790532. The cubic root of 247338283 is about 627.7168410868.

The spelling of 247338283 in words is "two hundred forty-seven million, three hundred thirty-eight thousand, two hundred eighty-three".