2458445081 has 4 divisors (see below), whose sum is σ = 2467320612. Its totient is φ = 2449569552.

The previous prime is 2458445053. The next prime is 2458445083. The reversal of 2458445081 is 1805448542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 919059856 + 1539385225 = 30316^2 + 39235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2458445081 is a prime.

It is a super-2 number, since 2×2458445081² = 12087904432586193122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2458445083) 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 in 3 ways as a sum of consecutive naturals, for example, 4437350 + ... + 4437903.

It is an arithmetic number, because the mean of its divisors is an integer number (616830153).

Almost surely, 2^2458445081 is an apocalyptic number.

It is an amenable number.

2458445081 is a deficient number, since it is larger than the sum of its proper divisors (8875531).

2458445081 is an equidigital number, since it uses as much as digits as its factorization.

2458445081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8875530.

The product of its (nonzero) digits is 204800, while the sum is 41.

The square root of 2458445081 is about 49582.7094963557. The cubic root of 2458445081 is about 1349.6469275117.

The spelling of 2458445081 in words is "two billion, four hundred fifty-eight million, four hundred forty-five thousand, eighty-one".