3241440247 has 2 divisors, whose sum is σ = 3241440248. Its totient is φ = 3241440246.

The previous prime is 3241440239. The next prime is 3241440263. The reversal of 3241440247 is 7420441423.

It is a weak prime.

It is an emirp because it is prime and its reverse (7420441423) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3241440247 - 2³ = 3241440239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3241440217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1620720123 + 1620720124.

It is an arithmetic number, because the mean of its divisors is an integer number (1620720124).

Almost surely, 2^3241440247 is an apocalyptic number.

3241440247 is a deficient number, since it is larger than the sum of its proper divisors (1).

3241440247 is an equidigital number, since it uses as much as digits as its factorization.

3241440247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 31.

The square root of 3241440247 is about 56933.6477577188. The cubic root of 3241440247 is about 1479.9464685715.

The spelling of 3241440247 in words is "three billion, two hundred forty-one million, four hundred forty thousand, two hundred forty-seven".