65382559 has 16 divisors (see below), whose sum is σ = 74581920. Its totient is φ = 56770560.

The previous prime is 65382557. The next prime is 65382587. The reversal of 65382559 is 95528356.

It is not a de Polignac number, because 65382559 - 2¹ = 65382557 is a prime.

It is a Duffinian number.

Its product of digits (324000) is a multiple of the sum of its prime divisors (2250).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65382557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29887 + ... + 31999.

It is an arithmetic number, because the mean of its divisors is an integer number (4661370).

Almost surely, 2^65382559 is an apocalyptic number.

65382559 is a deficient number, since it is larger than the sum of its proper divisors (9199361).

65382559 is a wasteful number, since it uses less digits than its factorization.

65382559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250.

The product of its digits is 324000, while the sum is 43.

The square root of 65382559 is about 8085.9482437127. The cubic root of 65382559 is about 402.8598358686.

The spelling of 65382559 in words is "sixty-five million, three hundred eighty-two thousand, five hundred fifty-nine".