65380629 has 4 divisors (see below), whose sum is σ = 87174176. Its totient is φ = 43587084.

The previous prime is 65380603. The next prime is 65380661. The reversal of 65380629 is 92608356.

65380629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 65380629 - 2¹² = 65376533 is a prime.

It is a super-3 number, since 3×65380629³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65380669) 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 3 ways as a sum of consecutive naturals, for example, 10896769 + ... + 10896774.

It is an arithmetic number, because the mean of its divisors is an integer number (21793544).

Almost surely, 2^65380629 is an apocalyptic number.

It is an amenable number.

65380629 is a deficient number, since it is larger than the sum of its proper divisors (21793547).

65380629 is a wasteful number, since it uses less digits than its factorization.

65380629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21793546.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 65380629 is about 8085.8288999953. The cubic root of 65380629 is about 402.8558718801.

The spelling of 65380629 in words is "sixty-five million, three hundred eighty thousand, six hundred twenty-nine".