65725043 has 12 divisors (see below), whose sum is σ = 70472520. Its totient is φ = 61084800.

The previous prime is 65725031. The next prime is 65725063. The reversal of 65725043 is 34052756.

It is not a de Polignac number, because 65725043 - 2⁶ = 65724979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65725003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173228 + ... + 173606.

It is an arithmetic number, because the mean of its divisors is an integer number (5872710).

Almost surely, 2^65725043 is an apocalyptic number.

65725043 is a deficient number, since it is larger than the sum of its proper divisors (4747477).

65725043 is a wasteful number, since it uses less digits than its factorization.

65725043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 65725043 is about 8107.0983095063. The cubic root of 65725043 is about 403.5620253652.

Adding to 65725043 its reverse (34052756), we get a palindrome (99777799).

The spelling of 65725043 in words is "sixty-five million, seven hundred twenty-five thousand, forty-three".