461964247 has 2 divisors, whose sum is σ = 461964248. Its totient is φ = 461964246.

The previous prime is 461964199. The next prime is 461964299. The reversal of 461964247 is 742469164.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461964247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461964847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230982123 + 230982124.

It is an arithmetic number, because the mean of its divisors is an integer number (230982124).

Almost surely, 2^461964247 is an apocalyptic number.

461964247 is a deficient number, since it is larger than the sum of its proper divisors (1).

461964247 is an equidigital number, since it uses as much as digits as its factorization.

461964247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 43.

The square root of 461964247 is about 21493.3535540641. The cubic root of 461964247 is about 773.0414629879.

The spelling of 461964247 in words is "four hundred sixty-one million, nine hundred sixty-four thousand, two hundred forty-seven".