10454981 has 2 divisors, whose sum is σ = 10454982. Its totient is φ = 10454980.

The previous prime is 10454957. The next prime is 10454999. The reversal of 10454981 is 18945401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6806881 + 3648100 = 2609^2 + 1910^2 .

It is a cyclic number.

It is not a de Polignac number, because 10454981 - 2¹⁸ = 10192837 is a prime.

It is a super-2 number, since 2×10454981² = 218613255420722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10454281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5227490 + 5227491.

It is an arithmetic number, because the mean of its divisors is an integer number (5227491).

Almost surely, 2^10454981 is an apocalyptic number.

It is an amenable number.

10454981 is a deficient number, since it is larger than the sum of its proper divisors (1).

10454981 is an equidigital number, since it uses as much as digits as its factorization.

10454981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 10454981 is about 3233.4163047773. The cubic root of 10454981 is about 218.6625537824.

The spelling of 10454981 in words is "ten million, four hundred fifty-four thousand, nine hundred eighty-one".