2547983 has 4 divisors (see below), whose sum is σ = 2630208. Its totient is φ = 2465760.

The previous prime is 2547973. The next prime is 2547989. The reversal of 2547983 is 3897452.

2547983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2547983 - 2⁴ = 2547967 is a prime.

It is a super-3 number, since 3×2547983³ = 49626178460115333261, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2547989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41066 + ... + 41127.

It is an arithmetic number, because the mean of its divisors is an integer number (657552).

2^2547983 is an apocalyptic number.

2547983 is a deficient number, since it is larger than the sum of its proper divisors (82225).

2547983 is an equidigital number, since it uses as much as digits as its factorization.

2547983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82224.

The product of its digits is 60480, while the sum is 38.

The square root of 2547983 is about 1596.2402701348. The cubic root of 2547983 is about 136.5836901298.

The spelling of 2547983 in words is "two million, five hundred forty-seven thousand, nine hundred eighty-three".