65125427 has 4 divisors (see below), whose sum is σ = 65300400. Its totient is φ = 64950456.

The previous prime is 65125381. The next prime is 65125433. The reversal of 65125427 is 72452156.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65125427 - 2⁶ = 65125363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65125393 and 65125402.

It is not an unprimeable number, because it can be changed into a prime (65125457) 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, 86927 + ... + 87672.

It is an arithmetic number, because the mean of its divisors is an integer number (16325100).

Almost surely, 2^65125427 is an apocalyptic number.

65125427 is a deficient number, since it is larger than the sum of its proper divisors (174973).

65125427 is a wasteful number, since it uses less digits than its factorization.

65125427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174972.

The product of its digits is 16800, while the sum is 32.

The square root of 65125427 is about 8070.0326517307. The cubic root of 65125427 is about 402.3310289556.

The spelling of 65125427 in words is "sixty-five million, one hundred twenty-five thousand, four hundred twenty-seven".