2520799 has 4 divisors (see below), whose sum is σ = 2530440. Its totient is φ = 2511160.

The previous prime is 2520797. The next prime is 2520821. The reversal of 2520799 is 9970252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2520799 - 2¹ = 2520797 is a prime.

It is a Duffinian number.

2520799 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4417 + ... + 4954.

It is an arithmetic number, because the mean of its divisors is an integer number (632610).

2^2520799 is an apocalyptic number.

2520799 is a deficient number, since it is larger than the sum of its proper divisors (9641).

2520799 is an equidigital number, since it uses as much as digits as its factorization.

2520799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9640.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 2520799 is about 1587.7024280387. The cubic root of 2520799 is about 136.0962229940.

The spelling of 2520799 in words is "two million, five hundred twenty thousand, seven hundred ninety-nine".