2517493 has 8 divisors (see below), whose sum is σ = 2782080. Its totient is φ = 2258880.

The previous prime is 2517469. The next prime is 2517499. The reversal of 2517493 is 3947152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2517493 - 2⁹ = 2516981 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2517499) 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 7 ways as a sum of consecutive naturals, for example, 580 + ... + 2317.

It is an arithmetic number, because the mean of its divisors is an integer number (347760).

2^2517493 is an apocalyptic number.

It is an amenable number.

2517493 is a deficient number, since it is larger than the sum of its proper divisors (264587).

2517493 is a wasteful number, since it uses less digits than its factorization.

2517493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2987.

The product of its digits is 7560, while the sum is 31.

The square root of 2517493 is about 1586.6609593735. The cubic root of 2517493 is about 136.0367007352.

It can be divided in two parts, 251 and 7493, that added together give a square (7744 = 88²).

The spelling of 2517493 in words is "two million, five hundred seventeen thousand, four hundred ninety-three".