65229081 has 8 divisors (see below), whose sum is σ = 90753600. Its totient is φ = 41595312.

The previous prime is 65229067. The next prime is 65229089. The reversal of 65229081 is 18092256.

65229081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65229081 - 2¹³ = 65220889 is a prime.

It is a super-2 number, since 2×65229081² = 8509666016209122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65229089) 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 7 ways as a sum of consecutive naturals, for example, 472606 + ... + 472743.

It is an arithmetic number, because the mean of its divisors is an integer number (11344200).

Almost surely, 2^65229081 is an apocalyptic number.

It is an amenable number.

65229081 is a deficient number, since it is larger than the sum of its proper divisors (25524519).

65229081 is a wasteful number, since it uses less digits than its factorization.

65229081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945375.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 65229081 is about 8076.4522533102. The cubic root of 65229081 is about 402.5443665971.

The spelling of 65229081 in words is "sixty-five million, two hundred twenty-nine thousand, eighty-one".