11497331 has 2 divisors, whose sum is σ = 11497332. Its totient is φ = 11497330.

The previous prime is 11497327. The next prime is 11497333. The reversal of 11497331 is 13379411.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11497331 - 2² = 11497327 is a prime.

It is a super-2 number, since 2×11497331² = 264377240247122, which contains 22 as substring.

Together with 11497333, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11497294 and 11497303.

It is not a weakly prime, because it can be changed into another prime (11497333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5748665 + 5748666.

It is an arithmetic number, because the mean of its divisors is an integer number (5748666).

Almost surely, 2^11497331 is an apocalyptic number.

11497331 is a deficient number, since it is larger than the sum of its proper divisors (1).

11497331 is an equidigital number, since it uses as much as digits as its factorization.

11497331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 29.

The square root of 11497331 is about 3390.7714461461. The cubic root of 11497331 is about 225.7004083647.

The spelling of 11497331 in words is "eleven million, four hundred ninety-seven thousand, three hundred thirty-one".