458723081 has 2 divisors, whose sum is σ = 458723082. Its totient is φ = 458723080.

The previous prime is 458723009. The next prime is 458723101. The reversal of 458723081 is 180327854.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 292957456 + 165765625 = 17116^2 + 12875^2 .

It is a cyclic number.

It is not a de Polignac number, because 458723081 - 2¹⁰ = 458722057 is a prime.

It is a super-2 number, since 2×458723081² = 420853730084265122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (458723381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229361540 + 229361541.

It is an arithmetic number, because the mean of its divisors is an integer number (229361541).

Almost surely, 2^458723081 is an apocalyptic number.

It is an amenable number.

458723081 is a deficient number, since it is larger than the sum of its proper divisors (1).

458723081 is an equidigital number, since it uses as much as digits as its factorization.

458723081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 458723081 is about 21417.8215745673. The cubic root of 458723081 is about 771.2293181631.

The spelling of 458723081 in words is "four hundred fifty-eight million, seven hundred twenty-three thousand, eighty-one".