10051881 has 32 divisors (see below), whose sum is σ = 15912960. Its totient is φ = 5526144.

The previous prime is 10051861. The next prime is 10051891. The reversal of 10051881 is 18815001.

It is not a de Polignac number, because 10051881 - 2⁵ = 10051849 is a prime.

It is a super-5 number, since 5×10051881⁵ (a number of 36 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10051801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121066 + ... + 121148.

It is an arithmetic number, because the mean of its divisors is an integer number (497280).

Almost surely, 2^10051881 is an apocalyptic number.

It is an amenable number.

10051881 is a deficient number, since it is larger than the sum of its proper divisors (5861079).

10051881 is an equidigital number, since it uses as much as digits as its factorization.

10051881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245.

The product of its (nonzero) digits is 320, while the sum is 24.

The square root of 10051881 is about 3170.4701544093. The cubic root of 10051881 is about 215.8154072790.

Adding to 10051881 its reverse (18815001), we get a palindrome (28866882).

The spelling of 10051881 in words is "ten million, fifty-one thousand, eight hundred eighty-one".