65526340 has 36 divisors (see below), whose sum is σ = 151257708. Its totient is φ = 23826880.

The previous prime is 65526317. The next prime is 65526353. The reversal of 65526340 is 4362556.

It can be written as a sum of positive squares in 2 ways, for example, as 40144896 + 25381444 = 6336^2 + 5038^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11119 + ... + 15958.

It is an arithmetic number, because the mean of its divisors is an integer number (4201603).

Almost surely, 2^65526340 is an apocalyptic number.

It is an amenable number.

65526340 is an abundant number, since it is smaller than the sum of its proper divisors (85731368).

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

65526340 is a wasteful number, since it uses less digits than its factorization.

65526340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27108 (or 27095 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 65526340 is about 8094.8341551881. The cubic root of 65526340 is about 403.1549256874.

Adding to 65526340 its reverse (4362556), we get a palindrome (69888896).

The spelling of 65526340 in words is "sixty-five million, five hundred twenty-six thousand, three hundred forty".