11345491 has 2 divisors, whose sum is σ = 11345492. Its totient is φ = 11345490.

The previous prime is 11345461. The next prime is 11345497. The reversal of 11345491 is 19454311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11345491 - 2⁵ = 11345459 is a prime.

It is not a weakly prime, because it can be changed into another prime (11345497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5672745 + 5672746.

It is an arithmetic number, because the mean of its divisors is an integer number (5672746).

Almost surely, 2^11345491 is an apocalyptic number.

11345491 is a deficient number, since it is larger than the sum of its proper divisors (1).

11345491 is an equidigital number, since it uses as much as digits as its factorization.

11345491 is an odious number, because the sum of its binary digits is odd.

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

The square root of 11345491 is about 3368.3068446922. The cubic root of 11345491 is about 224.7024280212.

The spelling of 11345491 in words is "eleven million, three hundred forty-five thousand, four hundred ninety-one".