65502049 has 2 divisors, whose sum is σ = 65502050. Its totient is φ = 65502048.

The previous prime is 65502043. The next prime is 65502053. The reversal of 65502049 is 94020556.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52128400 + 13373649 = 7220^2 + 3657^2 .

It is a cyclic number.

It is not a de Polignac number, because 65502049 - 2¹⁵ = 65469281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65502049.

It is not a weakly prime, because it can be changed into another prime (65502043) 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, 32751024 + 32751025.

It is an arithmetic number, because the mean of its divisors is an integer number (32751025).

Almost surely, 2^65502049 is an apocalyptic number.

It is an amenable number.

65502049 is a deficient number, since it is larger than the sum of its proper divisors (1).

65502049 is an equidigital number, since it uses as much as digits as its factorization.

65502049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 65502049 is about 8093.3336147721. Note that the first 3 decimals coincide. The cubic root of 65502049 is about 403.1051022288.

It can be divided in two parts, 6 and 5502049, that added together give a palindrome (5502055).

The spelling of 65502049 in words is "sixty-five million, five hundred two thousand, forty-nine".