11251517 has 2 divisors, whose sum is σ = 11251518. Its totient is φ = 11251516.

The previous prime is 11251489. The next prime is 11251519. The reversal of 11251517 is 71515211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10621081 + 630436 = 3259^2 + 794^2 .

It is a cyclic number.

It is not a de Polignac number, because 11251517 - 2⁶ = 11251453 is a prime.

Together with 11251519, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11251492 and 11251501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11251519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5625758 + 5625759.

It is an arithmetic number, because the mean of its divisors is an integer number (5625759).

Almost surely, 2^11251517 is an apocalyptic number.

It is an amenable number.

11251517 is a deficient number, since it is larger than the sum of its proper divisors (1).

11251517 is an equidigital number, since it uses as much as digits as its factorization.

11251517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 350, while the sum is 23.

The square root of 11251517 is about 3354.3280996349. The cubic root of 11251517 is about 224.0803084174.

Adding to 11251517 its reverse (71515211), we get a palindrome (82766728).

The spelling of 11251517 in words is "eleven million, two hundred fifty-one thousand, five hundred seventeen".