335440247 has 2 divisors, whose sum is σ = 335440248. Its totient is φ = 335440246.

The previous prime is 335440219. The next prime is 335440279. The reversal of 335440247 is 742044533.

It is an a-pointer prime, because the next prime (335440279) can be obtained adding 335440247 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 335440247 - 2⁸ = 335439991 is a prime.

It is a super-2 number, since 2×335440247² = 225040318614842018, which contains 22 as substring.

It is a Chen prime.

It is equal to p_18062735 and since 335440247 and 18062735 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (335440747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167720123 + 167720124.

It is an arithmetic number, because the mean of its divisors is an integer number (167720124).

Almost surely, 2^335440247 is an apocalyptic number.

335440247 is a deficient number, since it is larger than the sum of its proper divisors (1).

335440247 is an equidigital number, since it uses as much as digits as its factorization.

335440247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 32.

The square root of 335440247 is about 18315.0279006066. The cubic root of 335440247 is about 694.8190595685.

The spelling of 335440247 in words is "three hundred thirty-five million, four hundred forty thousand, two hundred forty-seven".