461583257 has 2 divisors, whose sum is σ = 461583258. Its totient is φ = 461583256.

The previous prime is 461583247. The next prime is 461583319. The reversal of 461583257 is 752385164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 453860416 + 7722841 = 21304^2 + 2779^2 .

It is a cyclic number.

It is not a de Polignac number, because 461583257 - 2¹² = 461579161 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (461583247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230791628 + 230791629.

It is an arithmetic number, because the mean of its divisors is an integer number (230791629).

Almost surely, 2^461583257 is an apocalyptic number.

It is an amenable number.

461583257 is a deficient number, since it is larger than the sum of its proper divisors (1).

461583257 is an equidigital number, since it uses as much as digits as its factorization.

461583257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201600, while the sum is 41.

The square root of 461583257 is about 21484.4887535170. The cubic root of 461583257 is about 772.8288909317.

The spelling of 461583257 in words is "four hundred sixty-one million, five hundred eighty-three thousand, two hundred fifty-seven".