2263531 has 2 divisors, whose sum is σ = 2263532. Its totient is φ = 2263530.

The previous prime is 2263519. The next prime is 2263553. The reversal of 2263531 is 1353622.

2263531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (2263553) can be obtained adding 2263531 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2263531 is a prime.

It is a super-2 number, since 2×2263531² = 10247145175922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2263561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1131765 + 1131766.

It is an arithmetic number, because the mean of its divisors is an integer number (1131766).

2^2263531 is an apocalyptic number.

2263531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2263531 is an equidigital number, since it uses as much as digits as its factorization.

2263531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 22.

The square root of 2263531 is about 1504.5035726112. The cubic root of 2263531 is about 131.2992208437.

Subtracting from 2263531 its reverse (1353622), we obtain a palindrome (909909).

The spelling of 2263531 in words is "two million, two hundred sixty-three thousand, five hundred thirty-one".