11252239 has 2 divisors, whose sum is σ = 11252240. Its totient is φ = 11252238.

The previous prime is 11252209. The next prime is 11252251. The reversal of 11252239 is 93225211.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (93225211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11252239 - 2¹⁵ = 11219471 is a prime.

It is a super-2 number, since 2×11252239² = 253225765026242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11252209) 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, 5626119 + 5626120.

It is an arithmetic number, because the mean of its divisors is an integer number (5626120).

Almost surely, 2^11252239 is an apocalyptic number.

11252239 is a deficient number, since it is larger than the sum of its proper divisors (1).

11252239 is an equidigital number, since it uses as much as digits as its factorization.

11252239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 25.

The square root of 11252239 is about 3354.4357200578. The cubic root of 11252239 is about 224.0851013273.

It can be divided in two parts, 1125 and 2239, that added together give a square (3364 = 58²).

The spelling of 11252239 in words is "eleven million, two hundred fifty-two thousand, two hundred thirty-nine".