11455217 has 2 divisors, whose sum is σ = 11455218. Its totient is φ = 11455216.

The previous prime is 11455207. The next prime is 11455231. The reversal of 11455217 is 71255411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6806881 + 4648336 = 2609^2 + 2156^2 .

It is a cyclic number.

It is not a de Polignac number, because 11455217 - 2⁴ = 11455201 is a prime.

It is a Chen prime.

It is equal to p₇₅₄₅₂₃ and since 11455217 and 754523 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 (11455207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5727608 + 5727609.

It is an arithmetic number, because the mean of its divisors is an integer number (5727609).

Almost surely, 2^11455217 is an apocalyptic number.

It is an amenable number.

11455217 is a deficient number, since it is larger than the sum of its proper divisors (1).

11455217 is an equidigital number, since it uses as much as digits as its factorization.

11455217 is an evil number, because the sum of its binary digits is even.

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

The square root of 11455217 is about 3384.5556576898. Note that the first 3 decimals coincide. The cubic root of 11455217 is about 225.4244957418.

The spelling of 11455217 in words is "eleven million, four hundred fifty-five thousand, two hundred seventeen".