65125089 has 6 divisors (see below), whose sum is σ = 94069586. Its totient is φ = 43416720.

The previous prime is 65125087. The next prime is 65125111. The reversal of 65125089 is 98052156.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 64883025 + 242064 = 8055^2 + 492^2 .

It is not a de Polignac number, because 65125089 - 2¹ = 65125087 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65125087) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3618052 + ... + 3618069.

Almost surely, 2^65125089 is an apocalyptic number.

It is an amenable number.

65125089 is a deficient number, since it is larger than the sum of its proper divisors (28944497).

65125089 is a wasteful number, since it uses less digits than its factorization.

65125089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7236127 (or 7236124 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 65125089 is about 8070.0117100287. The cubic root of 65125089 is about 402.3303329237.

The spelling of 65125089 in words is "sixty-five million, one hundred twenty-five thousand, eighty-nine".