65355005 has 4 divisors (see below), whose sum is σ = 78426012. Its totient is φ = 52284000.

The previous prime is 65355001. The next prime is 65355077. The reversal of 65355005 is 50055356.

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 9449476 + 55905529 = 3074^2 + 7477^2 .

It is not a de Polignac number, because 65355005 - 2² = 65355001 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 (65355001) 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, 6535496 + ... + 6535505.

It is an arithmetic number, because the mean of its divisors is an integer number (19606503).

Almost surely, 2^65355005 is an apocalyptic number.

It is an amenable number.

65355005 is a deficient number, since it is larger than the sum of its proper divisors (13071007).

65355005 is a wasteful number, since it uses less digits than its factorization.

65355005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13071006.

The product of its (nonzero) digits is 11250, while the sum is 29.

The square root of 65355005 is about 8084.2442442074. The cubic root of 65355005 is about 402.8032358630.

The spelling of 65355005 in words is "sixty-five million, three hundred fifty-five thousand, five".