2538247 has 4 divisors (see below), whose sum is σ = 2597320. Its totient is φ = 2479176.

The previous prime is 2538241. The next prime is 2538281. The reversal of 2538247 is 7428352.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2538247 is a prime.

It is a d-powerful number, because it can be written as 2 + 5⁹ + 3¹² + 8 + 2¹⁵ + 4⁶ + 7⁵ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2538241) 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, 29472 + ... + 29557.

It is an arithmetic number, because the mean of its divisors is an integer number (649330).

2^2538247 is an apocalyptic number.

2538247 is a deficient number, since it is larger than the sum of its proper divisors (59073).

2538247 is an equidigital number, since it uses as much as digits as its factorization.

2538247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59072.

The product of its digits is 13440, while the sum is 31.

The square root of 2538247 is about 1593.1876851143. The cubic root of 2538247 is about 136.4095031835.

The spelling of 2538247 in words is "two million, five hundred thirty-eight thousand, two hundred forty-seven".