461240977 has 2 divisors, whose sum is σ = 461240978. Its totient is φ = 461240976.

The previous prime is 461240929. The next prime is 461241007. The reversal of 461240977 is 779042164.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 429981696 + 31259281 = 20736^2 + 5591^2 .

It is a cyclic number.

It is not a de Polignac number, because 461240977 - 2¹⁹ = 460716689 is a prime.

It is not a weakly prime, because it can be changed into another prime (461243977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230620488 + 230620489.

It is an arithmetic number, because the mean of its divisors is an integer number (230620489).

Almost surely, 2^461240977 is an apocalyptic number.

It is an amenable number.

461240977 is a deficient number, since it is larger than the sum of its proper divisors (1).

461240977 is an equidigital number, since it uses as much as digits as its factorization.

461240977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 461240977 is about 21476.5215293352. The cubic root of 461240977 is about 772.6378172159.

The spelling of 461240977 in words is "four hundred sixty-one million, two hundred forty thousand, nine hundred seventy-seven".