11477231 has 2 divisors, whose sum is σ = 11477232. Its totient is φ = 11477230.

The previous prime is 11477201. The next prime is 11477233. The reversal of 11477231 is 13277411.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11477231 - 2¹⁴ = 11460847 is a prime.

It is a super-2 number, since 2×11477231² = 263453662854722, which contains 22 as substring.

Together with 11477233, it forms a pair of twin primes.

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 11477231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11477233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5738615 + 5738616.

It is an arithmetic number, because the mean of its divisors is an integer number (5738616).

Almost surely, 2^11477231 is an apocalyptic number.

11477231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11477231 is an equidigital number, since it uses as much as digits as its factorization.

11477231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1176, while the sum is 26.

The square root of 11477231 is about 3387.8062223215. The cubic root of 11477231 is about 225.5688060985.

The spelling of 11477231 in words is "eleven million, four hundred seventy-seven thousand, two hundred thirty-one".