65765357 has 4 divisors (see below), whose sum is σ = 75160416. Its totient is φ = 56370300.

The previous prime is 65765351. The next prime is 65765363. The reversal of 65765357 is 75356756.

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 an interprime number because it is at equal distance from previous prime (65765351) and next prime (65765363).

It is not a de Polignac number, because 65765357 - 2²⁰ = 64716781 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 (65765351) 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, 4697519 + ... + 4697532.

It is an arithmetic number, because the mean of its divisors is an integer number (18790104).

Almost surely, 2^65765357 is an apocalyptic number.

It is an amenable number.

65765357 is a deficient number, since it is larger than the sum of its proper divisors (9395059).

65765357 is an equidigital number, since it uses as much as digits as its factorization.

65765357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9395058.

The product of its digits is 661500, while the sum is 44.

The square root of 65765357 is about 8109.5842680128. The cubic root of 65765357 is about 403.6445199188.

The spelling of 65765357 in words is "sixty-five million, seven hundred sixty-five thousand, three hundred fifty-seven".