2547493 has 8 divisors (see below), whose sum is σ = 2766848. Its totient is φ = 2331504.

The previous prime is 2547491. The next prime is 2547529. The reversal of 2547493 is 3947452.

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 2547493 - 2¹ = 2547491 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 (2547491) 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, 880 + ... + 2422.

It is an arithmetic number, because the mean of its divisors is an integer number (345856).

2^2547493 is an apocalyptic number.

It is an amenable number.

2547493 is a deficient number, since it is larger than the sum of its proper divisors (219355).

2547493 is a wasteful number, since it uses less digits than its factorization.

2547493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683.

The product of its digits is 30240, while the sum is 34.

The square root of 2547493 is about 1596.0867770895. The cubic root of 2547493 is about 136.5749341453.

The spelling of 2547493 in words is "two million, five hundred forty-seven thousand, four hundred ninety-three".