2520993 has 4 divisors (see below), whose sum is σ = 3361328. Its totient is φ = 1680660.

The previous prime is 2520983. The next prime is 2521003. The reversal of 2520993 is 3990252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2520983) and next prime (2521003).

It is not a de Polignac number, because 2520993 - 2⁶ = 2520929 is a prime.

It is a D-number.

It is a Duffinian number.

2520993 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2520993.

It is not an unprimeable number, because it can be changed into a prime (2520943) 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, 420163 + ... + 420168.

It is an arithmetic number, because the mean of its divisors is an integer number (840332).

2^2520993 is an apocalyptic number.

It is an amenable number.

2520993 is a deficient number, since it is larger than the sum of its proper divisors (840335).

2520993 is an equidigital number, since it uses as much as digits as its factorization.

2520993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840334.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 2520993 is about 1587.7635214351. The cubic root of 2520993 is about 136.0997142138.

The spelling of 2520993 in words is "two million, five hundred twenty thousand, nine hundred ninety-three".