65282257 has 4 divisors (see below), whose sum is σ = 68120640. Its totient is φ = 62443876.

The previous prime is 65282251. The next prime is 65282263. The reversal of 65282257 is 75228256.

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 (65282251) and next prime (65282263).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65282257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65282251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1419157 + ... + 1419202.

It is an arithmetic number, because the mean of its divisors is an integer number (17030160).

Almost surely, 2^65282257 is an apocalyptic number.

It is an amenable number.

65282257 is a deficient number, since it is larger than the sum of its proper divisors (2838383).

65282257 is a wasteful number, since it uses less digits than its factorization.

65282257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2838382.

The product of its digits is 67200, while the sum is 37.

The square root of 65282257 is about 8079.7436221702. The cubic root of 65282257 is about 402.6537241861.

The spelling of 65282257 in words is "sixty-five million, two hundred eighty-two thousand, two hundred fifty-seven".