2520379 has 2 divisors, whose sum is σ = 2520380. Its totient is φ = 2520378.

The previous prime is 2520367. The next prime is 2520383. The reversal of 2520379 is 9730252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2520379 - 2⁵ = 2520347 is a prime.

2520379 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2520319) 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, 1260189 + 1260190.

It is an arithmetic number, because the mean of its divisors is an integer number (1260190).

2^2520379 is an apocalyptic number.

2520379 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520379 is an equidigital number, since it uses as much as digits as its factorization.

2520379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 2520379 is about 1587.5701559301. The cubic root of 2520379 is about 136.0886640694.

The spelling of 2520379 in words is "two million, five hundred twenty thousand, three hundred seventy-nine".