11252251 has 2 divisors, whose sum is σ = 11252252. Its totient is φ = 11252250.

The previous prime is 11252239. The next prime is 11252257. The reversal of 11252251 is 15225211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11252251 - 2¹¹ = 11250203 is a prime.

It is a super-2 number, since 2×11252251² = 253226305134002, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11252257) 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, 5626125 + 5626126.

It is an arithmetic number, because the mean of its divisors is an integer number (5626126).

Almost surely, 2^11252251 is an apocalyptic number.

11252251 is a deficient number, since it is larger than the sum of its proper divisors (1).

11252251 is an equidigital number, since it uses as much as digits as its factorization.

11252251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 200, while the sum is 19.

The square root of 11252251 is about 3354.4375087338. The cubic root of 11252251 is about 224.0851809862.

Adding to 11252251 its reverse (15225211), we get a palindrome (26477462).

It can be divided in two parts, 1125 and 2251, that multiplied together give a triangular number (2532375 = T₂₂₅₀).

The spelling of 11252251 in words is "eleven million, two hundred fifty-two thousand, two hundred fifty-one".