461847853 has 2 divisors, whose sum is σ = 461847854. Its totient is φ = 461847852.

The previous prime is 461847809. The next prime is 461847863. The reversal of 461847853 is 358748164.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 288082729 + 173765124 = 16973^2 + 13182^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461847853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461847863) 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, 230923926 + 230923927.

It is an arithmetic number, because the mean of its divisors is an integer number (230923927).

Almost surely, 2^461847853 is an apocalyptic number.

It is an amenable number.

461847853 is a deficient number, since it is larger than the sum of its proper divisors (1).

461847853 is an equidigital number, since it uses as much as digits as its factorization.

461847853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 645120, while the sum is 46.

The square root of 461847853 is about 21490.6457092382. The cubic root of 461847853 is about 772.9765337599.

The spelling of 461847853 in words is "four hundred sixty-one million, eight hundred forty-seven thousand, eight hundred fifty-three".