11253691 has 2 divisors, whose sum is σ = 11253692. Its totient is φ = 11253690.

The previous prime is 11253673. The next prime is 11253701. The reversal of 11253691 is 19635211.

It is a strong prime.

It is an emirp because it is prime and its reverse (19635211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11253691 - 2⁷ = 11253563 is a prime.

It is a super-2 number, since 2×11253691² = 253291122246962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11253611) 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, 5626845 + 5626846.

It is an arithmetic number, because the mean of its divisors is an integer number (5626846).

Almost surely, 2^11253691 is an apocalyptic number.

11253691 is a deficient number, since it is larger than the sum of its proper divisors (1).

11253691 is an equidigital number, since it uses as much as digits as its factorization.

11253691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 28.

The square root of 11253691 is about 3354.6521429203. The cubic root of 11253691 is about 224.0947396335.

The spelling of 11253691 in words is "eleven million, two hundred fifty-three thousand, six hundred ninety-one".