65049291 has 16 divisors (see below), whose sum is σ = 99693600. Its totient is φ = 41870304.

The previous prime is 65049289. The next prime is 65049301. The reversal of 65049291 is 19294056.

65049291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 65049291 - 2¹ = 65049289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65049251) 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 in 15 ways as a sum of consecutive naturals, for example, 40756 + ... + 42321.

It is an arithmetic number, because the mean of its divisors is an integer number (6230850).

Almost surely, 2^65049291 is an apocalyptic number.

65049291 is a deficient number, since it is larger than the sum of its proper divisors (34644309).

65049291 is a wasteful number, since it uses less digits than its factorization.

65049291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83115 (or 83109 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 65049291 is about 8065.3140670404. The cubic root of 65049291 is about 402.1741838170.

The spelling of 65049291 in words is "sixty-five million, forty-nine thousand, two hundred ninety-one".