65251032 has 256 divisors, whose sum is σ = 225607680. Its totient is φ = 15206400.

The previous prime is 65251009. The next prime is 65251033. The reversal of 65251032 is 23015256.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 65250993 and 65251011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65251033) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 973863 + ... + 973929.

It is an arithmetic number, because the mean of its divisors is an integer number (881280).

Almost surely, 2^65251032 is an apocalyptic number.

65251032 is a gapful number since it is divisible by the number (62) 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 65251032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112803840).

65251032 is an abundant number, since it is smaller than the sum of its proper divisors (160356648).

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

65251032 is a wasteful number, since it uses less digits than its factorization.

65251032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 65251032 is about 8077.8110896455. The cubic root of 65251032 is about 402.5895165019.

Adding to 65251032 its reverse (23015256), we get a palindrome (88266288).

It can be divided in two parts, 6525 and 1032, that added together give a palindrome (7557).

The spelling of 65251032 in words is "sixty-five million, two hundred fifty-one thousand, thirty-two".