460244021 has 2 divisors, whose sum is σ = 460244022. Its totient is φ = 460244020.

The previous prime is 460244017. The next prime is 460244033. The reversal of 460244021 is 120442064.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 453221521 + 7022500 = 21289^2 + 2650^2 .

It is a cyclic number.

It is not a de Polignac number, because 460244021 - 2² = 460244017 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400244021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230122010 + 230122011.

It is an arithmetic number, because the mean of its divisors is an integer number (230122011).

Almost surely, 2^460244021 is an apocalyptic number.

It is an amenable number.

460244021 is a deficient number, since it is larger than the sum of its proper divisors (1).

460244021 is an equidigital number, since it uses as much as digits as its factorization.

460244021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 460244021 is about 21453.2986041774. The cubic root of 460244021 is about 772.0807392491.

Adding to 460244021 its reverse (120442064), we get a palindrome (580686085).

The spelling of 460244021 in words is "four hundred sixty million, two hundred forty-four thousand, twenty-one".