65625293 has 4 divisors (see below), whose sum is σ = 65648700. Its totient is φ = 65601888.

The previous prime is 65625269. The next prime is 65625299. The reversal of 65625293 is 39252656.

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 44262409 + 21362884 = 6653^2 + 4622^2 .

It is a cyclic number.

It is not a de Polignac number, because 65625293 - 2¹⁰ = 65624269 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 (65625299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6818 + ... + 13331.

It is an arithmetic number, because the mean of its divisors is an integer number (16412175).

Almost surely, 2^65625293 is an apocalyptic number.

It is an amenable number.

65625293 is a deficient number, since it is larger than the sum of its proper divisors (23407).

65625293 is a wasteful number, since it uses less digits than its factorization.

65625293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23406.

The product of its digits is 97200, while the sum is 38.

The square root of 65625293 is about 8100.9439573423. The cubic root of 65625293 is about 403.3577618031.

The spelling of 65625293 in words is "sixty-five million, six hundred twenty-five thousand, two hundred ninety-three".