65652029 has 4 divisors (see below), whose sum is σ = 67253340. Its totient is φ = 64050720.

The previous prime is 65651987. The next prime is 65652031. The reversal of 65652029 is 92025656.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31663129 + 33988900 = 5627^2 + 5830^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65652029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65652029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65652089) 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, 800594 + ... + 800675.

It is an arithmetic number, because the mean of its divisors is an integer number (16813335).

Almost surely, 2^65652029 is an apocalyptic number.

It is an amenable number.

65652029 is a deficient number, since it is larger than the sum of its proper divisors (1601311).

65652029 is a wasteful number, since it uses less digits than its factorization.

65652029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601310.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 65652029 is about 8102.5939673663. The cubic root of 65652029 is about 403.4125308739.

The spelling of 65652029 in words is "sixty-five million, six hundred fifty-two thousand, twenty-nine".