65125722 has 8 divisors (see below), whose sum is σ = 130251456. Its totient is φ = 21708572.

The previous prime is 65125721. The next prime is 65125729. The reversal of 65125722 is 22752156.

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

65125722 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 65125722.

It is not an unprimeable number, because it can be changed into a prime (65125721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5427138 + ... + 5427149.

It is an arithmetic number, because the mean of its divisors is an integer number (16281432).

Almost surely, 2^65125722 is an apocalyptic number.

65125722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

65125722 is a wasteful number, since it uses less digits than its factorization.

65125722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10854292.

The product of its digits is 8400, while the sum is 30.

The square root of 65125722 is about 8070.0509292073. The cubic root of 65125722 is about 402.3316364371.

Adding to 65125722 its reverse (22752156), we get a palindrome (87877878).

The spelling of 65125722 in words is "sixty-five million, one hundred twenty-five thousand, seven hundred twenty-two".