10478981 has 2 divisors, whose sum is σ = 10478982. Its totient is φ = 10478980.

The previous prime is 10478959. The next prime is 10478983. The reversal of 10478981 is 18987401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8213956 + 2265025 = 2866^2 + 1505^2 .

It is a cyclic number.

It is not a de Polignac number, because 10478981 - 2¹⁸ = 10216837 is a prime.

It is a super-2 number, since 2×10478981² = 219618085596722, which contains 22 as substring.

Together with 10478983, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10478983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5239490 + 5239491.

It is an arithmetic number, because the mean of its divisors is an integer number (5239491).

Almost surely, 2^10478981 is an apocalyptic number.

It is an amenable number.

10478981 is a deficient number, since it is larger than the sum of its proper divisors (1).

10478981 is an equidigital number, since it uses as much as digits as its factorization.

10478981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 10478981 is about 3237.1254223462. The cubic root of 10478981 is about 218.8297433349.

The spelling of 10478981 in words is "ten million, four hundred seventy-eight thousand, nine hundred eighty-one".