2573247 has 4 divisors (see below), whose sum is σ = 3431000. Its totient is φ = 1715496.

The previous prime is 2573237. The next prime is 2573251. The reversal of 2573247 is 7423752.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2573247 - 2⁴ = 2573231 is a prime.

It is a D-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 (2573237) 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, 428872 + ... + 428877.

It is an arithmetic number, because the mean of its divisors is an integer number (857750).

2^2573247 is an apocalyptic number.

2573247 is a deficient number, since it is larger than the sum of its proper divisors (857753).

2573247 is an equidigital number, since it uses as much as digits as its factorization.

2573247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857752.

The product of its digits is 11760, while the sum is 30.

The square root of 2573247 is about 1604.1343459947. The cubic root of 2573247 is about 137.0336287702.

Adding to 2573247 its reverse (7423752), we get a palindrome (9996999).

The spelling of 2573247 in words is "two million, five hundred seventy-three thousand, two hundred forty-seven".