2618247 has 4 divisors (see below), whose sum is σ = 3491000. Its totient is φ = 1745496.

The previous prime is 2618237. The next prime is 2618249. The reversal of 2618247 is 7428162.

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

It is not a de Polignac number, because 2618247 - 2¹¹ = 2616199 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 (2618249) 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, 436372 + ... + 436377.

It is an arithmetic number, because the mean of its divisors is an integer number (872750).

2^2618247 is an apocalyptic number.

2618247 is a deficient number, since it is larger than the sum of its proper divisors (872753).

2618247 is an equidigital number, since it uses as much as digits as its factorization.

2618247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872752.

The product of its digits is 5376, while the sum is 30.

The square root of 2618247 is about 1618.0998115073. The cubic root of 2618247 is about 137.8278150770.

It can be divided in two parts, 2618 and 247, that multiplied together give a palindrome (646646).

The spelling of 2618247 in words is "two million, six hundred eighteen thousand, two hundred forty-seven".