2635243 has 16 divisors (see below), whose sum is σ = 3064320. Its totient is φ = 2245536.

The previous prime is 2635229. The next prime is 2635247. The reversal of 2635243 is 3425362.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2635243 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 6² + 3⁸ + 5 + 2²¹ + 4² + 3¹² .

It is not an unprimeable number, because it can be changed into a prime (2635247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11496 + ... + 11722.

It is an arithmetic number, because the mean of its divisors is an integer number (191520).

2^2635243 is an apocalyptic number.

2635243 is a deficient number, since it is larger than the sum of its proper divisors (429077).

2635243 is a wasteful number, since it uses less digits than its factorization.

2635243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306.

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

The square root of 2635243 is about 1623.3431553433. The cubic root of 2635243 is about 138.1254023589.

The spelling of 2635243 in words is "two million, six hundred thirty-five thousand, two hundred forty-three".