64308825 has 108 divisors (see below), whose sum is σ = 141501360. Its totient is φ = 27760320.

The previous prime is 64308809. The next prime is 64308833. The reversal of 64308825 is 52880346.

64308825 is a `hidden beast` number, since 643 + 0 + 8 + 8 + 2 + 5 = 666.

It is not a de Polignac number, because 64308825 - 2⁴ = 64308809 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 64308825.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 209322 + ... + 209628.

Almost surely, 2^64308825 is an apocalyptic number.

It is an amenable number.

64308825 is an abundant number, since it is smaller than the sum of its proper divisors (77192535).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64308825 is a wasteful number, since it uses less digits than its factorization.

64308825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 64308825 is about 8019.2783341146. The cubic root of 64308825 is about 400.6423533200.

The spelling of 64308825 in words is "sixty-four million, three hundred eight thousand, eight hundred twenty-five".