65679825 has 12 divisors (see below), whose sum is σ = 108590768. Its totient is φ = 35029200.

The previous prime is 65679811. The next prime is 65679839. The reversal of 65679825 is 52897656.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (65679811) and next prime (65679839).

It is not a de Polignac number, because 65679825 - 2⁸ = 65679569 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 437791 + ... + 437940.

Almost surely, 2^65679825 is an apocalyptic number.

It is an amenable number.

65679825 is a deficient number, since it is larger than the sum of its proper divisors (42910943).

65679825 is a wasteful number, since it uses less digits than its factorization.

65679825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875744 (or 875739 counting only the distinct ones).

The product of its digits is 907200, while the sum is 48.

The square root of 65679825 is about 8104.3090390236. The cubic root of 65679825 is about 403.4694556064.

The spelling of 65679825 in words is "sixty-five million, six hundred seventy-nine thousand, eight hundred twenty-five".