456041921 has 2 divisors, whose sum is σ = 456041922. Its totient is φ = 456041920.

The previous prime is 456041891. The next prime is 456041941. The reversal of 456041921 is 129140654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 437646400 + 18395521 = 20920^2 + 4289^2 .

It is a cyclic number.

It is not a de Polignac number, because 456041921 - 2¹⁸ = 455779777 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (456041941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228020960 + 228020961.

It is an arithmetic number, because the mean of its divisors is an integer number (228020961).

Almost surely, 2^456041921 is an apocalyptic number.

It is an amenable number.

456041921 is a deficient number, since it is larger than the sum of its proper divisors (1).

456041921 is an equidigital number, since it uses as much as digits as its factorization.

456041921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 456041921 is about 21355.1380468495. The cubic root of 456041921 is about 769.7238122308.

The spelling of 456041921 in words is "four hundred fifty-six million, forty-one thousand, nine hundred twenty-one".