65125837 has 4 divisors (see below), whose sum is σ = 74429536. Its totient is φ = 55822140.

The previous prime is 65125829. The next prime is 65125849. The reversal of 65125837 is 73852156.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65125837 - 2³ = 65125829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65125796 and 65125805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65125877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4651839 + ... + 4651852.

It is an arithmetic number, because the mean of its divisors is an integer number (18607384).

Almost surely, 2^65125837 is an apocalyptic number.

It is an amenable number.

65125837 is a deficient number, since it is larger than the sum of its proper divisors (9303699).

65125837 is an equidigital number, since it uses as much as digits as its factorization.

65125837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9303698.

The product of its digits is 50400, while the sum is 37.

The square root of 65125837 is about 8070.0580543141. The cubic root of 65125837 is about 402.3318732515.

The spelling of 65125837 in words is "sixty-five million, one hundred twenty-five thousand, eight hundred thirty-seven".