65211150 has 96 divisors (see below), whose sum is σ = 173560320. Its totient is φ = 16145920.

The previous prime is 65211149. The next prime is 65211151. The reversal of 65211150 is 5111256.

65211150 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (65211149) and next prime (65211151).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65211151) 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 47 ways as a sum of consecutive naturals, for example, 272731 + ... + 272969.

It is an arithmetic number, because the mean of its divisors is an integer number (1807920).

Almost surely, 2^65211150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65211150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86780160).

65211150 is an abundant number, since it is smaller than the sum of its proper divisors (108349170).

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

65211150 is a wasteful number, since it uses less digits than its factorization.

65211150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 65211150 is about 8075.3420980167. The cubic root of 65211150 is about 402.5074777104.

The spelling of 65211150 in words is "sixty-five million, two hundred eleven thousand, one hundred fifty".