65175428 has 12 divisors (see below), whose sum is σ = 114217740. Its totient is φ = 32541792.

The previous prime is 65175403. The next prime is 65175437. The reversal of 65175428 is 82457156.

It can be written as a sum of positive squares in 2 ways, for example, as 45265984 + 19909444 = 6728^2 + 4462^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65175391 and 65175400.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8183 + ... + 14046.

It is an arithmetic number, because the mean of its divisors is an integer number (9518145).

Almost surely, 2^65175428 is an apocalyptic number.

It is an amenable number.

65175428 is a deficient number, since it is larger than the sum of its proper divisors (49042312).

65175428 is a wasteful number, since it uses less digits than its factorization.

65175428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22966 (or 22964 counting only the distinct ones).

The product of its digits is 67200, while the sum is 38.

The square root of 65175428 is about 8073.1300001920. The cubic root of 65175428 is about 402.4339677950.

The spelling of 65175428 in words is "sixty-five million, one hundred seventy-five thousand, four hundred twenty-eight".