11474581 has 2 divisors, whose sum is σ = 11474582. Its totient is φ = 11474580.

The previous prime is 11474579. The next prime is 11474587. The reversal of 11474581 is 18547411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6027025 + 5447556 = 2455^2 + 2334^2 .

It is an emirp because it is prime and its reverse (18547411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11474581 - 2¹ = 11474579 is a prime.

It is a super-2 number, since 2×11474581² = 263332018251122, which contains 22 as substring.

Together with 11474579, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11474587) 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, 5737290 + 5737291.

It is an arithmetic number, because the mean of its divisors is an integer number (5737291).

Almost surely, 2^11474581 is an apocalyptic number.

It is an amenable number.

11474581 is a deficient number, since it is larger than the sum of its proper divisors (1).

11474581 is an equidigital number, since it uses as much as digits as its factorization.

11474581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4480, while the sum is 31.

The square root of 11474581 is about 3387.4150911868. The cubic root of 11474581 is about 225.5514440900.

The spelling of 11474581 in words is "eleven million, four hundred seventy-four thousand, five hundred eighty-one".