2480981 has 2 divisors, whose sum is σ = 2480982. Its totient is φ = 2480980.

The previous prime is 2480977. The next prime is 2481013. The reversal of 2480981 is 1890842.

It is a happy number.

It is an a-pointer prime, because the next prime (2481013) can be obtained adding 2480981 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1540081 + 940900 = 1241^2 + 970^2 .

It is a cyclic number.

It is not a de Polignac number, because 2480981 - 2² = 2480977 is a prime.

It is a super-2 number, since 2×2480981² = 12310533444722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p₁₈₁₇₇₈ and since 2480981 and 181778 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2480911) 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 as a sum of consecutive naturals, namely, 1240490 + 1240491.

It is an arithmetic number, because the mean of its divisors is an integer number (1240491).

2^2480981 is an apocalyptic number.

It is an amenable number.

2480981 is a deficient number, since it is larger than the sum of its proper divisors (1).

2480981 is an equidigital number, since it uses as much as digits as its factorization.

2480981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 2480981 is about 1575.1130118185. The cubic root of 2480981 is about 135.3758342952.

The spelling of 2480981 in words is "two million, four hundred eighty thousand, nine hundred eighty-one".