2517993 has 16 divisors (see below), whose sum is σ = 3758400. Its totient is φ = 1666080.

The previous prime is 2517959. The next prime is 2518003. The reversal of 2517993 is 3997152.

It is not a de Polignac number, because 2517993 - 2⁶ = 2517929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2516993) 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 in 15 ways as a sum of consecutive naturals, for example, 4573 + ... + 5093.

It is an arithmetic number, because the mean of its divisors is an integer number (234900).

2^2517993 is an apocalyptic number.

It is an amenable number.

2517993 is a deficient number, since it is larger than the sum of its proper divisors (1240407).

2517993 is a wasteful number, since it uses less digits than its factorization.

2517993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709 (or 703 counting only the distinct ones).

The product of its digits is 17010, while the sum is 36.

The square root of 2517993 is about 1586.8185151428. The cubic root of 2517993 is about 136.0457062350.

The spelling of 2517993 in words is "two million, five hundred seventeen thousand, nine hundred ninety-three".