4249897 has 2 divisors, whose sum is σ = 4249898. Its totient is φ = 4249896.

The previous prime is 4249873. The next prime is 4249913. The reversal of 4249897 is 7989424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3031081 + 1218816 = 1741^2 + 1104^2 .

It is a cyclic number.

It is not a de Polignac number, because 4249897 - 2⁷ = 4249769 is a prime.

4249897 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4249807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2124948 + 2124949.

It is an arithmetic number, because the mean of its divisors is an integer number (2124949).

Almost surely, 2^4249897 is an apocalyptic number.

It is an amenable number.

4249897 is a deficient number, since it is larger than the sum of its proper divisors (1).

4249897 is an equidigital number, since it uses as much as digits as its factorization.

4249897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 43.

The square root of 4249897 is about 2061.5278314881. The cubic root of 4249897 is about 161.9792815042.

The spelling of 4249897 in words is "four million, two hundred forty-nine thousand, eight hundred ninety-seven".