2320247 has 2 divisors, whose sum is σ = 2320248. Its totient is φ = 2320246.

The previous prime is 2320243. The next prime is 2320259. The reversal of 2320247 is 7420232.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2320247 - 2² = 2320243 is a prime.

It is a super-2 number, since 2×2320247² = 10767092282018, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 14 and base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2320243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160123 + 1160124.

It is an arithmetic number, because the mean of its divisors is an integer number (1160124).

2^2320247 is an apocalyptic number.

2320247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2320247 is an equidigital number, since it uses as much as digits as its factorization.

2320247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 2320247 is about 1523.2357007371. The cubic root of 2320247 is about 132.3868168374.

Adding to 2320247 its reverse (7420232), we get a palindrome (9740479).

The spelling of 2320247 in words is "two million, three hundred twenty thousand, two hundred forty-seven".