458513729 has 2 divisors, whose sum is σ = 458513730. Its totient is φ = 458513728.

The previous prime is 458513689. The next prime is 458513753. The reversal of 458513729 is 927315854.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 456976129 + 1537600 = 21377^2 + 1240^2 .

It is a cyclic number.

It is not a de Polignac number, because 458513729 - 2²⁴ = 441736513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 458513729.

It is not a weakly prime, because it can be changed into another prime (458513779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229256864 + 229256865.

It is an arithmetic number, because the mean of its divisors is an integer number (229256865).

Almost surely, 2^458513729 is an apocalyptic number.

It is an amenable number.

458513729 is a deficient number, since it is larger than the sum of its proper divisors (1).

458513729 is an equidigital number, since it uses as much as digits as its factorization.

458513729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 44.

The square root of 458513729 is about 21412.9336850419. The cubic root of 458513729 is about 771.1119757873. Note that the first 3 decimals are identical.

The spelling of 458513729 in words is "four hundred fifty-eight million, five hundred thirteen thousand, seven hundred twenty-nine".