2081457507 has 8 divisors (see below), whose sum is σ = 2806459920. Its totient is φ = 1372046720.

The previous prime is 2081457461. The next prime is 2081457523. The reversal of 2081457507 is 7057541802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2081457507 - 2¹⁰ = 2081456483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2081407507) 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 7 ways as a sum of consecutive naturals, for example, 3897594 + ... + 3898127.

It is an arithmetic number, because the mean of its divisors is an integer number (350807490).

Almost surely, 2^2081457507 is an apocalyptic number.

2081457507 is a deficient number, since it is larger than the sum of its proper divisors (725002413).

2081457507 is an equidigital number, since it uses as much as digits as its factorization.

2081457507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7795813.

The product of its (nonzero) digits is 78400, while the sum is 39.

The square root of 2081457507 is about 45622.9931832623. The cubic root of 2081457507 is about 1276.7989486405.

The spelling of 2081457507 in words is "two billion, eighty-one million, four hundred fifty-seven thousand, five hundred seven".