461460221 has 2 divisors, whose sum is σ = 461460222. Its totient is φ = 461460220.

The previous prime is 461460193. The next prime is 461460271. The reversal of 461460221 is 122064164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 317196100 + 144264121 = 17810^2 + 12011^2 .

It is a cyclic number.

It is not a de Polignac number, because 461460221 - 2⁶ = 461460157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461460271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230730110 + 230730111.

It is an arithmetic number, because the mean of its divisors is an integer number (230730111).

Almost surely, 2^461460221 is an apocalyptic number.

It is an amenable number.

461460221 is a deficient number, since it is larger than the sum of its proper divisors (1).

461460221 is an equidigital number, since it uses as much as digits as its factorization.

461460221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 461460221 is about 21481.6251945704. The cubic root of 461460221 is about 772.7602184343.

The spelling of 461460221 in words is "four hundred sixty-one million, four hundred sixty thousand, two hundred twenty-one".