65150528 has 56 divisors (see below), whose sum is σ = 138010392. Its totient is φ = 30408704.

The previous prime is 65150509. The next prime is 65150531. The reversal of 65150528 is 82505156.

It can be written as a sum of positive squares in 4 ways, for example, as 27793984 + 37356544 = 5272^2 + 6112^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 65150494 and 65150503.

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 7 ways as a sum of consecutive naturals, for example, 253376 + ... + 253632.

Almost surely, 2^65150528 is an apocalyptic number.

65150528 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65150528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69005196).

65150528 is an abundant number, since it is smaller than the sum of its proper divisors (72859864).

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

65150528 is a wasteful number, since it uses less digits than its factorization.

65150528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 65150528 is about 8071.5877000749. The cubic root of 65150528 is about 402.3827118617.

The spelling of 65150528 in words is "sixty-five million, one hundred fifty thousand, five hundred twenty-eight".