11534531 has 4 divisors (see below), whose sum is σ = 11574192. Its totient is φ = 11494872.

The previous prime is 11534473. The next prime is 11534533. The reversal of 11534531 is 13543511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13543511 = 877 ⋅15443.

It is a cyclic number.

It is not a de Polignac number, because 11534531 - 2²² = 7340227 is a prime.

It is a super-2 number, since 2×11534531² = 266090810779922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11534497 and 11534506.

It is not an unprimeable number, because it can be changed into a prime (11534533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19391 + ... + 19976.

It is an arithmetic number, because the mean of its divisors is an integer number (2893548).

Almost surely, 2^11534531 is an apocalyptic number.

11534531 is a deficient number, since it is larger than the sum of its proper divisors (39661).

11534531 is an equidigital number, since it uses as much as digits as its factorization.

11534531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39660.

The product of its digits is 900, while the sum is 23.

The square root of 11534531 is about 3396.2524935582. The cubic root of 11534531 is about 225.9435667172.

The spelling of 11534531 in words is "eleven million, five hundred thirty-four thousand, five hundred thirty-one".