11418457 has 2 divisors, whose sum is σ = 11418458. Its totient is φ = 11418456.

The previous prime is 11418437. The next prime is 11418461. The reversal of 11418457 is 75481411.

11418457 is nontrivially palindromic in base 11.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10426441 + 992016 = 3229^2 + 996^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11418457 is a prime.

It is not a weakly prime, because it can be changed into another prime (11418437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5709228 + 5709229.

It is an arithmetic number, because the mean of its divisors is an integer number (5709229).

Almost surely, 2^11418457 is an apocalyptic number.

It is an amenable number.

11418457 is a deficient number, since it is larger than the sum of its proper divisors (1).

11418457 is an equidigital number, since it uses as much as digits as its factorization.

11418457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4480, while the sum is 31.

The square root of 11418457 is about 3379.1207436255. The cubic root of 11418457 is about 225.1831069127.

Adding to 11418457 its reverse (75481411), we get a palindrome (86899868).

The spelling of 11418457 in words is "eleven million, four hundred eighteen thousand, four hundred fifty-seven".