65829613 has 4 divisors (see below), whose sum is σ = 65873088. Its totient is φ = 65786140.

The previous prime is 65829607. The next prime is 65829649. The reversal of 65829613 is 31692856.

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 a cyclic number.

It is not a de Polignac number, because 65829613 - 2¹⁷ = 65698541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65829653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19381 + ... + 22522.

It is an arithmetic number, because the mean of its divisors is an integer number (16468272).

Almost surely, 2^65829613 is an apocalyptic number.

It is an amenable number.

65829613 is a deficient number, since it is larger than the sum of its proper divisors (43475).

65829613 is a wasteful number, since it uses less digits than its factorization.

65829613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43474.

The product of its digits is 77760, while the sum is 40.

The square root of 65829613 is about 8113.5450328448. The cubic root of 65829613 is about 403.7759373344.

The spelling of 65829613 in words is "sixty-five million, eight hundred twenty-nine thousand, six hundred thirteen".