65225488 has 40 divisors (see below), whose sum is σ = 131777280. Its totient is φ = 31240320.

The previous prime is 65225483. The next prime is 65225509. The reversal of 65225488 is 88452256.

It is a self number, because there is not a number n which added to its sum of digits gives 65225488.

It is not an unprimeable number, because it can be changed into a prime (65225483) by changing a digit.

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, 52458 + ... + 53686.

It is an arithmetic number, because the mean of its divisors is an integer number (3294432).

Almost surely, 2^65225488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65225488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65888640).

65225488 is an abundant number, since it is smaller than the sum of its proper divisors (66551792).

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

65225488 is a wasteful number, since it uses less digits than its factorization.

65225488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375 (or 1369 counting only the distinct ones).

The product of its digits is 153600, while the sum is 40.

The square root of 65225488 is about 8076.2298134711. The cubic root of 65225488 is about 402.5369753720.

The spelling of 65225488 in words is "sixty-five million, two hundred twenty-five thousand, four hundred eighty-eight".