11475251 has 2 divisors, whose sum is σ = 11475252. Its totient is φ = 11475250.

The previous prime is 11475241. The next prime is 11475253. The reversal of 11475251 is 15257411.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11475251 is a prime.

It is a Sophie Germain prime.

Together with 11475253, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11475251.

It is not a weakly prime, because it can be changed into another prime (11475253) 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, 5737625 + 5737626.

It is an arithmetic number, because the mean of its divisors is an integer number (5737626).

Almost surely, 2^11475251 is an apocalyptic number.

11475251 is a deficient number, since it is larger than the sum of its proper divisors (1).

11475251 is an equidigital number, since it uses as much as digits as its factorization.

11475251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1400, while the sum is 26.

The square root of 11475251 is about 3387.5139852110. The cubic root of 11475251 is about 225.5558339823. Note that the first 3 decimals are identical.

It can be divided in two parts, 11 and 475251, that multiplied together give a triangular number (5227761 = T₃₂₃₃).

The spelling of 11475251 in words is "eleven million, four hundred seventy-five thousand, two hundred fifty-one".