11534287 has 2 divisors, whose sum is σ = 11534288. Its totient is φ = 11534286.

The previous prime is 11534213. The next prime is 11534291. The reversal of 11534287 is 78243511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11534287 - 2²³ = 3145679 is a prime.

It is a super-3 number, since 3×11534287³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11535287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5767143 + 5767144.

It is an arithmetic number, because the mean of its divisors is an integer number (5767144).

Almost surely, 2^11534287 is an apocalyptic number.

11534287 is a deficient number, since it is larger than the sum of its proper divisors (1).

11534287 is an equidigital number, since it uses as much as digits as its factorization.

11534287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 31.

The square root of 11534287 is about 3396.2165714218. The cubic root of 11534287 is about 225.9419735121.

Adding to 11534287 its reverse (78243511), we get a palindrome (89777798).

The spelling of 11534287 in words is "eleven million, five hundred thirty-four thousand, two hundred eighty-seven".