2680481 has 2 divisors, whose sum is σ = 2680482. Its totient is φ = 2680480.

The previous prime is 2680471. The next prime is 2680493. The reversal of 2680481 is 1840862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2430481 + 250000 = 1559^2 + 500^2 .

It is a cyclic number.

It is not a de Polignac number, because 2680481 - 2¹⁴ = 2664097 is a prime.

It is a super-2 number, since 2×2680481² = 14369956782722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2680421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1340240 + 1340241.

It is an arithmetic number, because the mean of its divisors is an integer number (1340241).

2^2680481 is an apocalyptic number.

It is an amenable number.

2680481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2680481 is an equidigital number, since it uses as much as digits as its factorization.

2680481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 2680481 is about 1637.2174565402. The cubic root of 2680481 is about 138.9113006559.

The spelling of 2680481 in words is "two million, six hundred eighty thousand, four hundred eighty-one".