65065506 has 32 divisors (see below), whose sum is σ = 143769600. Its totient is φ = 19465680.

The previous prime is 65065489. The next prime is 65065537. The reversal of 65065506 is 60556056.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1026 + ... + 11453.

It is an arithmetic number, because the mean of its divisors is an integer number (4492800).

Almost surely, 2^65065506 is an apocalyptic number.

65065506 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

65065506 is an abundant number, since it is smaller than the sum of its proper divisors (78704094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65065506 is a wasteful number, since it uses less digits than its factorization.

65065506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12574.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 65065506 is about 8066.3192349423. The cubic root of 65065506 is about 402.2075980300.

The spelling of 65065506 in words is "sixty-five million, sixty-five thousand, five hundred six".