65290285 has 32 divisors (see below), whose sum is σ = 86469120. Its totient is φ = 47127552.

The previous prime is 65290283. The next prime is 65290301. The reversal of 65290285 is 58209256.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 65290285 - 2¹ = 65290283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65290283) 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 31 ways as a sum of consecutive naturals, for example, 235567 + ... + 235843.

It is an arithmetic number, because the mean of its divisors is an integer number (2702160).

Almost surely, 2^65290285 is an apocalyptic number.

It is an amenable number.

65290285 is a deficient number, since it is larger than the sum of its proper divisors (21178835).

65290285 is a wasteful number, since it uses less digits than its factorization.

65290285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 65290285 is about 8080.2404048395. The cubic root of 65290285 is about 402.6702287809.

The spelling of 65290285 in words is "sixty-five million, two hundred ninety thousand, two hundred eighty-five".