11251897 has 2 divisors, whose sum is σ = 11251898. Its totient is φ = 11251896.

The previous prime is 11251883. The next prime is 11251901. The reversal of 11251897 is 79815211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9585216 + 1666681 = 3096^2 + 1291^2 .

It is a cyclic number.

It is not a de Polignac number, because 11251897 - 2⁷ = 11251769 is a prime.

It is not a weakly prime, because it can be changed into another prime (11251817) 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, 5625948 + 5625949.

It is an arithmetic number, because the mean of its divisors is an integer number (5625949).

Almost surely, 2^11251897 is an apocalyptic number.

It is an amenable number.

11251897 is a deficient number, since it is larger than the sum of its proper divisors (1).

11251897 is an equidigital number, since it uses as much as digits as its factorization.

11251897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 34.

The square root of 11251897 is about 3354.3847423932. The cubic root of 11251897 is about 224.0828310271.

The spelling of 11251897 in words is "eleven million, two hundred fifty-one thousand, eight hundred ninety-seven".