461216837 has 2 divisors, whose sum is σ = 461216838. Its totient is φ = 461216836.

The previous prime is 461216731. The next prime is 461216863. The reversal of 461216837 is 738612164.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 405176641 + 56040196 = 20129^2 + 7486^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461216837 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 461216837.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461216897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230608418 + 230608419.

It is an arithmetic number, because the mean of its divisors is an integer number (230608419).

Almost surely, 2^461216837 is an apocalyptic number.

It is an amenable number.

461216837 is a deficient number, since it is larger than the sum of its proper divisors (1).

461216837 is an equidigital number, since it uses as much as digits as its factorization.

461216837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 38.

The square root of 461216837 is about 21475.9595129065. The cubic root of 461216837 is about 772.6243377816.

The spelling of 461216837 in words is "four hundred sixty-one million, two hundred sixteen thousand, eight hundred thirty-seven".