65426500 has 96 divisors (see below), whose sum is σ = 154103040. Its totient is φ = 24192000.

The previous prime is 65426483. The next prime is 65426507. The reversal of 65426500 is 562456.

It is not an unprimeable number, because it can be changed into a prime (65426507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 674452 + ... + 674548.

It is an arithmetic number, because the mean of its divisors is an integer number (1605240).

Almost surely, 2^65426500 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 65426500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77051520).

65426500 is an abundant number, since it is smaller than the sum of its proper divisors (88676540).

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

65426500 is a wasteful number, since it uses less digits than its factorization.

65426500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 65426500 is about 8088.6649083764. The cubic root of 65426500 is about 402.9500643137.

Adding to 65426500 its reverse (562456), we get a palindrome (65988956).

The spelling of 65426500 in words is "sixty-five million, four hundred twenty-six thousand, five hundred".