65255743 has 4 divisors (see below), whose sum is σ = 74578000. Its totient is φ = 55933488.

The previous prime is 65255681. The next prime is 65255767. The reversal of 65255743 is 34755256.

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

It is a cyclic number.

It is not a de Polignac number, because 65255743 - 2²¹ = 63158591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65255783) 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, 4661118 + ... + 4661131.

It is an arithmetic number, because the mean of its divisors is an integer number (18644500).

Almost surely, 2^65255743 is an apocalyptic number.

65255743 is a deficient number, since it is larger than the sum of its proper divisors (9322257).

65255743 is an equidigital number, since it uses as much as digits as its factorization.

65255743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9322256.

The product of its digits is 126000, while the sum is 37.

The square root of 65255743 is about 8078.1026856558. The cubic root of 65255743 is about 402.5992050003.

The spelling of 65255743 in words is "sixty-five million, two hundred fifty-five thousand, seven hundred forty-three".