5106981 has 32 divisors (see below), whose sum is σ = 7856640. Its totient is φ = 2923200.

The previous prime is 5106979. The next prime is 5107009. The reversal of 5106981 is 1896015.

It is a happy number.

It is not a de Polignac number, because 5106981 - 2¹ = 5106979 is a prime.

It is a super-2 number, since 2×5106981² = 52162509868722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5106901) 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 31 ways as a sum of consecutive naturals, for example, 83691 + ... + 83751.

It is an arithmetic number, because the mean of its divisors is an integer number (245520).

Almost surely, 2^5106981 is an apocalyptic number.

It is an amenable number.

5106981 is a deficient number, since it is larger than the sum of its proper divisors (2749659).

5106981 is a wasteful number, since it uses less digits than its factorization.

5106981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 5106981 is about 2259.8630489479. The cubic root of 5106981 is about 172.2085648244.

The spelling of 5106981 in words is "five million, one hundred six thousand, nine hundred eighty-one".