11238401 has 2 divisors, whose sum is σ = 11238402. Its totient is φ = 11238400.

The previous prime is 11238389. The next prime is 11238407. The reversal of 11238401 is 10483211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10080625 + 1157776 = 3175^2 + 1076^2 .

It is an emirp because it is prime and its reverse (10483211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11238401 is a prime.

It is a Chen prime.

It is equal to p₇₄₁₂₁₅ and since 11238401 and 741215 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (11238407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5619200 + 5619201.

It is an arithmetic number, because the mean of its divisors is an integer number (5619201).

Almost surely, 2^11238401 is an apocalyptic number.

It is an amenable number.

11238401 is a deficient number, since it is larger than the sum of its proper divisors (1).

11238401 is an equidigital number, since it uses as much as digits as its factorization.

11238401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 11238401 is about 3352.3724435092. The cubic root of 11238401 is about 223.9932037160.

The spelling of 11238401 in words is "eleven million, two hundred thirty-eight thousand, four hundred one".