65244887 has 2 divisors, whose sum is σ = 65244888. Its totient is φ = 65244886.

The previous prime is 65244871. The next prime is 65244901. The reversal of 65244887 is 78844256.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65244887 - 2⁴ = 65244871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65240887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32622443 + 32622444.

It is an arithmetic number, because the mean of its divisors is an integer number (32622444).

Almost surely, 2^65244887 is an apocalyptic number.

65244887 is a deficient number, since it is larger than the sum of its proper divisors (1).

65244887 is an equidigital number, since it uses as much as digits as its factorization.

65244887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 430080, while the sum is 44.

The square root of 65244887 is about 8077.4307177468. The cubic root of 65244887 is about 402.5768781820.

It can be divided in two parts, 6524 and 4887, that added together give a palindrome (11411).

The spelling of 65244887 in words is "sixty-five million, two hundred forty-four thousand, eight hundred eighty-seven".