2051348081 has 8 divisors (see below), whose sum is σ = 2142211200. Its totient is φ = 1960624512.

The previous prime is 2051348029. The next prime is 2051348087. The reversal of 2051348081 is 1808431502.

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

It is not a de Polignac number, because 2051348081 - 2⁶ = 2051348017 is a prime.

It is a super-2 number, since 2×2051348081² = 8416057898844765122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2051348087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4256 + ... + 64193.

It is an arithmetic number, because the mean of its divisors is an integer number (267776400).

Almost surely, 2^2051348081 is an apocalyptic number.

It is an amenable number.

2051348081 is a deficient number, since it is larger than the sum of its proper divisors (90863119).

2051348081 is a wasteful number, since it uses less digits than its factorization.

2051348081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69775.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 2051348081 is about 45291.8103082665. The cubic root of 2051348081 is about 1270.6124891965.

Adding to 2051348081 its reverse (1808431502), we get a palindrome (3859779583).

The spelling of 2051348081 in words is "two billion, fifty-one million, three hundred forty-eight thousand, eighty-one".