65225559 has 8 divisors (see below), whose sum is σ = 99391360. Its totient is φ = 37271736.

The previous prime is 65225551. The next prime is 65225569. The reversal of 65225559 is 95552256.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65225559 - 2³ = 65225551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65225551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1552969 + ... + 1553010.

It is an arithmetic number, because the mean of its divisors is an integer number (12423920).

Almost surely, 2^65225559 is an apocalyptic number.

65225559 is a deficient number, since it is larger than the sum of its proper divisors (34165801).

65225559 is a wasteful number, since it uses less digits than its factorization.

65225559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3105989.

The product of its digits is 135000, while the sum is 39.

The square root of 65225559 is about 8076.2342090853. The cubic root of 65225559 is about 402.5371214300.

The spelling of 65225559 in words is "sixty-five million, two hundred twenty-five thousand, five hundred fifty-nine".