65825998 has 32 divisors (see below), whose sum is σ = 118388160. Its totient is φ = 26853120.

The previous prime is 65825987. The next prime is 65825999. The reversal of 65825998 is 89952856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65825999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28528 + ... + 30748.

It is an arithmetic number, because the mean of its divisors is an integer number (3699630).

Almost surely, 2^65825998 is an apocalyptic number.

65825998 is a deficient number, since it is larger than the sum of its proper divisors (52562162).

65825998 is a wasteful number, since it uses less digits than its factorization.

65825998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332.

The product of its digits is 1555200, while the sum is 52.

The square root of 65825998 is about 8113.3222541694. The cubic root of 65825998 is about 403.7685461484.

The spelling of 65825998 in words is "sixty-five million, eight hundred twenty-five thousand, nine hundred ninety-eight".