65263061 has 4 divisors (see below), whose sum is σ = 65299500. Its totient is φ = 65226624.

The previous prime is 65263031. The next prime is 65263097. The reversal of 65263061 is 16036256.

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

It can be written as a sum of positive squares in 2 ways, for example, as 50324836 + 14938225 = 7094^2 + 3865^2 .

It is a cyclic number.

It is not a de Polignac number, because 65263061 - 2⁶ = 65262997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65263001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15386 + ... + 19163.

It is an arithmetic number, because the mean of its divisors is an integer number (16324875).

Almost surely, 2^65263061 is an apocalyptic number.

It is an amenable number.

65263061 is a deficient number, since it is larger than the sum of its proper divisors (36439).

65263061 is a wasteful number, since it uses less digits than its factorization.

65263061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36438.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 65263061 is about 8078.5556258529. Note that the first 3 decimals coincide. The cubic root of 65263061 is about 402.6142540505.

The spelling of 65263061 in words is "sixty-five million, two hundred sixty-three thousand, sixty-one".