65264973 has 4 divisors (see below), whose sum is σ = 87019968. Its totient is φ = 43509980.

The previous prime is 65264963. The next prime is 65264977. The reversal of 65264973 is 37946256.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65264973 - 2⁴ = 65264957 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65264977) 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, 10877493 + ... + 10877498.

It is an arithmetic number, because the mean of its divisors is an integer number (21754992).

Almost surely, 2^65264973 is an apocalyptic number.

It is an amenable number.

65264973 is a deficient number, since it is larger than the sum of its proper divisors (21754995).

65264973 is a wasteful number, since it uses less digits than its factorization.

65264973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21754994.

The product of its digits is 272160, while the sum is 42.

The square root of 65264973 is about 8078.6739629719. The cubic root of 65264973 is about 402.6181857843.

The spelling of 65264973 in words is "sixty-five million, two hundred sixty-four thousand, nine hundred seventy-three".