2536243 has 2 divisors, whose sum is σ = 2536244. Its totient is φ = 2536242.

The previous prime is 2536241. The next prime is 2536249. The reversal of 2536243 is 3426352.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2536243 - 2¹ = 2536241 is a prime.

Together with 2536241, it forms a pair of twin primes.

2536243 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2536241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1268121 + 1268122.

It is an arithmetic number, because the mean of its divisors is an integer number (1268122).

2^2536243 is an apocalyptic number.

2536243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2536243 is an equidigital number, since it uses as much as digits as its factorization.

2536243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 25.

The square root of 2536243 is about 1592.5586331435. The cubic root of 2536243 is about 136.3735943300.

The spelling of 2536243 in words is "two million, five hundred thirty-six thousand, two hundred forty-three".