456004621 has 2 divisors, whose sum is σ = 456004622. Its totient is φ = 456004620.

The previous prime is 456004603. The next prime is 456004631. The reversal of 456004621 is 126400654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 345439396 + 110565225 = 18586^2 + 10515^2 .

It is a cyclic number.

It is not a de Polignac number, because 456004621 - 2⁵ = 456004589 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 456004621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (456004631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228002310 + 228002311.

It is an arithmetic number, because the mean of its divisors is an integer number (228002311).

Almost surely, 2^456004621 is an apocalyptic number.

It is an amenable number.

456004621 is a deficient number, since it is larger than the sum of its proper divisors (1).

456004621 is an equidigital number, since it uses as much as digits as its factorization.

456004621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 456004621 is about 21354.2647028644. The cubic root of 456004621 is about 769.7028262354.

The spelling of 456004621 in words is "four hundred fifty-six million, four thousand, six hundred twenty-one".