2420279 has 2 divisors, whose sum is σ = 2420280. Its totient is φ = 2420278.

The previous prime is 2420269. The next prime is 2420287. The reversal of 2420279 is 9720242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2420279 - 2¹⁶ = 2354743 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2420269) 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, 1210139 + 1210140.

It is an arithmetic number, because the mean of its divisors is an integer number (1210140).

2^2420279 is an apocalyptic number.

2420279 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420279 is an equidigital number, since it uses as much as digits as its factorization.

2420279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 2420279 is about 1555.7245900223. The cubic root of 2420279 is about 134.2626281747.

The spelling of 2420279 in words is "two million, four hundred twenty thousand, two hundred seventy-nine".