65289852 has 72 divisors (see below), whose sum is σ = 177100560. Its totient is φ = 20217600.

The previous prime is 65289841. The next prime is 65289857. The reversal of 65289852 is 25898256.

It is a junction number, because it is equal to n+sod(n) for n = 65289798 and 65289807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65289857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35352 + ... + 37152.

It is an arithmetic number, because the mean of its divisors is an integer number (2459730).

Almost surely, 2^65289852 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 65289852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88550280).

65289852 is an abundant number, since it is smaller than the sum of its proper divisors (111810708).

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

65289852 is a wasteful number, since it uses less digits than its factorization.

65289852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883 (or 1878 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 65289852 is about 8080.2136110378. The cubic root of 65289852 is about 402.6693386200.

The spelling of 65289852 in words is "sixty-five million, two hundred eighty-nine thousand, eight hundred fifty-two".