65052291 has 16 divisors (see below), whose sum is σ = 91010048. Its totient is φ = 41277600.

The previous prime is 65052289. The next prime is 65052293. The reversal of 65052291 is 19225056.

It is a happy number.

65052291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (65052289) and next prime (65052293).

It is not a de Polignac number, because 65052291 - 2¹ = 65052289 is a prime.

It is the 8066-th Hogben number.

It is not an unprimeable number, because it can be changed into a prime (65052293) by changing a digit.

It is a nontrivial repunit in base 8065.

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 in 15 ways as a sum of consecutive naturals, for example, 61 + ... + 11406.

It is an arithmetic number, because the mean of its divisors is an integer number (5688128).

Almost surely, 2^65052291 is an apocalyptic number.

65052291 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

65052291 is a deficient number, since it is larger than the sum of its proper divisors (25957757).

65052291 is a wasteful number, since it uses less digits than its factorization.

65052291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11562.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 65052291 is about 8065.5000464943. The cubic root of 65052291 is about 402.1803663286.

The spelling of 65052291 in words is "sixty-five million, fifty-two thousand, two hundred ninety-one".