5106681 has 12 divisors (see below), whose sum is σ = 7810452. Its totient is φ = 3204096.

The previous prime is 5106679. The next prime is 5106701. The reversal of 5106681 is 1866015.

It can be written as a sum of positive squares in 2 ways, for example, as 3861225 + 1245456 = 1965^2 + 1116^2 .

It is not a de Polignac number, because 5106681 - 2¹ = 5106679 is a prime.

It is a super-2 number, since 2×5106681² = 52156381671522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5106601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16536 + ... + 16841.

It is an arithmetic number, because the mean of its divisors is an integer number (650871).

Almost surely, 2^5106681 is an apocalyptic number.

5106681 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5106681 is a deficient number, since it is larger than the sum of its proper divisors (2703771).

5106681 is a wasteful number, since it uses less digits than its factorization.

5106681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33400 (or 33397 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 5106681 is about 2259.7966722694. The cubic root of 5106681 is about 172.2051927356.

The spelling of 5106681 in words is "five million, one hundred six thousand, six hundred eighty-one".