65526985 has 8 divisors (see below), whose sum is σ = 79354440. Its totient is φ = 51940224.

The previous prime is 65526983. The next prime is 65527013. The reversal of 65526985 is 58962556.

65526985 = 37² + 38² + ... + 581².

It can be written as a sum of positive squares in 4 ways, for example, as 3888784 + 61638201 = 1972^2 + 7851^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65526985 - 2¹ = 65526983 is a prime.

It is a super-3 number, since 3×65526985³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (65526983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59572 + ... + 60661.

It is an arithmetic number, because the mean of its divisors is an integer number (9919305).

Almost surely, 2^65526985 is an apocalyptic number.

It is an amenable number.

65526985 is a deficient number, since it is larger than the sum of its proper divisors (13827455).

65526985 is a wasteful number, since it uses less digits than its factorization.

65526985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120347.

The product of its digits is 648000, while the sum is 46.

The square root of 65526985 is about 8094.8739953133. The cubic root of 65526985 is about 403.1562484841.

The spelling of 65526985 in words is "sixty-five million, five hundred twenty-six thousand, nine hundred eighty-five".