65225611 has 16 divisors (see below), whose sum is σ = 74188800. Its totient is φ = 56800800.

The previous prime is 65225599. The next prime is 65225623. The reversal of 65225611 is 11652256.

It is an interprime number because it is at equal distance from previous prime (65225599) and next prime (65225623).

It is a cyclic number.

It is not a de Polignac number, because 65225611 - 2⁵ = 65225579 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65225611.

It is not an unprimeable number, because it can be changed into a prime (65225681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43606 + ... + 45076.

It is an arithmetic number, because the mean of its divisors is an integer number (4636800).

Almost surely, 2^65225611 is an apocalyptic number.

65225611 is a deficient number, since it is larger than the sum of its proper divisors (8963189).

65225611 is a wasteful number, since it uses less digits than its factorization.

65225611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650.

The product of its digits is 3600, while the sum is 28.

The square root of 65225611 is about 8076.2374284069. The cubic root of 65225611 is about 402.5372284020.

Adding to 65225611 its reverse (11652256), we get a palindrome (76877867).

The spelling of 65225611 in words is "sixty-five million, two hundred twenty-five thousand, six hundred eleven".