2978413 has 2 divisors, whose sum is σ = 2978414. Its totient is φ = 2978412.

The previous prime is 2978411. The next prime is 2978419. The reversal of 2978413 is 3148792.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2832489 + 145924 = 1683^2 + 382^2 .

It is a cyclic number.

It is not a de Polignac number, because 2978413 - 2¹ = 2978411 is a prime.

Together with 2978411, it forms a pair of twin primes.

It is a nialpdrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2978411) 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, 1489206 + 1489207.

It is an arithmetic number, because the mean of its divisors is an integer number (1489207).

2^2978413 is an apocalyptic number.

It is an amenable number.

2978413 is a deficient number, since it is larger than the sum of its proper divisors (1).

2978413 is an equidigital number, since it uses as much as digits as its factorization.

2978413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 2978413 is about 1725.8079267404. The cubic root of 2978413 is about 143.8781923898.

The spelling of 2978413 in words is "two million, nine hundred seventy-eight thousand, four hundred thirteen".