456543049 has 2 divisors, whose sum is σ = 456543050. Its totient is φ = 456543048.

The previous prime is 456543023. The next prime is 456543067. The reversal of 456543049 is 940345654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 379665225 + 76877824 = 19485^2 + 8768^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-456543049 is a prime.

It is not a weakly prime, because it can be changed into another prime (456543089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228271524 + 228271525.

It is an arithmetic number, because the mean of its divisors is an integer number (228271525).

Almost surely, 2^456543049 is an apocalyptic number.

It is an amenable number.

456543049 is a deficient number, since it is larger than the sum of its proper divisors (1).

456543049 is an equidigital number, since it uses as much as digits as its factorization.

456543049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 40.

The square root of 456543049 is about 21366.8680203721. The cubic root of 456543049 is about 770.0056495903.

The spelling of 456543049 in words is "four hundred fifty-six million, five hundred forty-three thousand, forty-nine".