65125563 has 8 divisors (see below), whose sum is σ = 88023888. Its totient is φ = 42822144.

The previous prime is 65125523. The next prime is 65125573. The reversal of 65125563 is 36552156.

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

It is a de Polignac number, because none of the positive numbers 2^k-65125563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65125523) 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 7 ways as a sum of consecutive naturals, for example, 148470 + ... + 148907.

It is an arithmetic number, because the mean of its divisors is an integer number (11002986).

Almost surely, 2^65125563 is an apocalyptic number.

65125563 is a deficient number, since it is larger than the sum of its proper divisors (22898325).

65125563 is a wasteful number, since it uses less digits than its factorization.

65125563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297453.

The product of its digits is 27000, while the sum is 33.

The square root of 65125563 is about 8070.0410779624. The cubic root of 65125563 is about 402.3313090151.

The spelling of 65125563 in words is "sixty-five million, one hundred twenty-five thousand, five hundred sixty-three".