10498981 has 2 divisors, whose sum is σ = 10498982. Its totient is φ = 10498980.

The previous prime is 10498949. The next prime is 10498997. The reversal of 10498981 is 18989401.

10498981 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8608356 + 1890625 = 2934^2 + 1375^2 .

It is an emirp because it is prime and its reverse (18989401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10498981 - 2⁵ = 10498949 is a prime.

It is a super-2 number, since 2×10498981² = 220457204076722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10498921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5249490 + 5249491.

It is an arithmetic number, because the mean of its divisors is an integer number (5249491).

Almost surely, 2^10498981 is an apocalyptic number.

It is an amenable number.

10498981 is a deficient number, since it is larger than the sum of its proper divisors (1).

10498981 is an equidigital number, since it uses as much as digits as its factorization.

10498981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 10498981 is about 3240.2131102753. The cubic root of 10498981 is about 218.9688730668.

The spelling of 10498981 in words is "ten million, four hundred ninety-eight thousand, nine hundred eighty-one".