10051081 has 4 divisors (see below), whose sum is σ = 10397700. Its totient is φ = 9704464.

The previous prime is 10051073. The next prime is 10051117. The reversal of 10051081 is 18015001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18015001 = 59 ⋅305339.

It can be written as a sum of positive squares in 2 ways, for example, as 4687225 + 5363856 = 2165^2 + 2316^2 .

It is a cyclic number.

It is not a de Polignac number, because 10051081 - 2³ = 10051073 is a prime.

It is a super-2 number, since 2×10051081² = 202048458537122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10051001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173266 + ... + 173323.

It is an arithmetic number, because the mean of its divisors is an integer number (2599425).

Almost surely, 2^10051081 is an apocalyptic number.

It is an amenable number.

10051081 is a deficient number, since it is larger than the sum of its proper divisors (346619).

10051081 is an equidigital number, since it uses as much as digits as its factorization.

10051081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346618.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 10051081 is about 3170.3439876455. The cubic root of 10051081 is about 215.8096817534.

Adding to 10051081 its reverse (18015001), we get a palindrome (28066082).

The spelling of 10051081 in words is "ten million, fifty-one thousand, eighty-one".