10477981 has 2 divisors, whose sum is σ = 10477982. Its totient is φ = 10477980.

The previous prime is 10477979. The next prime is 10477997. The reversal of 10477981 is 18977401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6996025 + 3481956 = 2645^2 + 1866^2 .

It is a cyclic number.

It is not a de Polignac number, because 10477981 - 2¹ = 10477979 is a prime.

It is a super-2 number, since 2×10477981² = 219576171672722, which contains 22 as substring.

Together with 10477979, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10477981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10477921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5238990 + 5238991.

It is an arithmetic number, because the mean of its divisors is an integer number (5238991).

Almost surely, 2^10477981 is an apocalyptic number.

It is an amenable number.

10477981 is a deficient number, since it is larger than the sum of its proper divisors (1).

10477981 is an equidigital number, since it uses as much as digits as its factorization.

10477981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 10477981 is about 3236.9709606359. The cubic root of 10477981 is about 218.8227822031.

The spelling of 10477981 in words is "ten million, four hundred seventy-seven thousand, nine hundred eighty-one".