65825042 has 4 divisors (see below), whose sum is σ = 98737566. Its totient is φ = 32912520.

The previous prime is 65825017. The next prime is 65825047. The reversal of 65825042 is 24052856.

65825042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 63696361 + 2128681 = 7981^2 + 1459^2 .

It is not an unprimeable number, because it can be changed into a prime (65825047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16456259 + ... + 16456262.

Almost surely, 2^65825042 is an apocalyptic number.

65825042 is a deficient number, since it is larger than the sum of its proper divisors (32912524).

65825042 is a wasteful number, since it uses less digits than its factorization.

65825042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32912523.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 65825042 is about 8113.2633385094. The cubic root of 65825042 is about 403.7665914770.

Adding to 65825042 its reverse (24052856), we get a palindrome (89877898).

The spelling of 65825042 in words is "sixty-five million, eight hundred twenty-five thousand, forty-two".