11683531 has 2 divisors, whose sum is σ = 11683532. Its totient is φ = 11683530.

The previous prime is 11683523. The next prime is 11683561. The reversal of 11683531 is 13538611.

11683531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11683531 - 2³ = 11683523 is a prime.

It is a super-2 number, since 2×11683531² = 273009793255922, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11683531.

It is not a weakly prime, because it can be changed into another prime (11683501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5841765 + 5841766.

It is an arithmetic number, because the mean of its divisors is an integer number (5841766).

Almost surely, 2^11683531 is an apocalyptic number.

11683531 is a deficient number, since it is larger than the sum of its proper divisors (1).

11683531 is an equidigital number, since it uses as much as digits as its factorization.

11683531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 28.

The square root of 11683531 is about 3418.1180494535. The cubic root of 11683531 is about 226.9123002771.

The spelling of 11683531 in words is "eleven million, six hundred eighty-three thousand, five hundred thirty-one".