65825930 has 8 divisors (see below), whose sum is σ = 118486692. Its totient is φ = 26330368.

The previous prime is 65825917. The next prime is 65825933. The reversal of 65825930 is 3952856.

It can be written as a sum of positive squares in 2 ways, for example, as 62362609 + 3463321 = 7897^2 + 1861^2 .

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

It is not an unprimeable number, because it can be changed into a prime (65825933) 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, 3291287 + ... + 3291306.

Almost surely, 2^65825930 is an apocalyptic number.

65825930 is a deficient number, since it is larger than the sum of its proper divisors (52660762).

65825930 is a wasteful number, since it uses less digits than its factorization.

65825930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6582600.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 65825930 is about 8113.3180635299. The cubic root of 65825930 is about 403.7684071138.

The spelling of 65825930 in words is "sixty-five million, eight hundred twenty-five thousand, nine hundred thirty".