65802285 has 24 divisors (see below), whose sum is σ = 114769824. Its totient is φ = 34875360.

The previous prime is 65802281. The next prime is 65802299. The reversal of 65802285 is 58220856.

It is not a de Polignac number, because 65802285 - 2² = 65802281 is a prime.

It is a super-2 number, since 2×65802285² = 8659881422442450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65802281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2850 + ... + 11820.

It is an arithmetic number, because the mean of its divisors is an integer number (4782076).

Almost surely, 2^65802285 is an apocalyptic number.

It is an amenable number.

65802285 is a deficient number, since it is larger than the sum of its proper divisors (48967539).

65802285 is a wasteful number, since it uses less digits than its factorization.

65802285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9145 (or 9142 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 65802285 is about 8111.8607606393. The cubic root of 65802285 is about 403.7200561204.

The spelling of 65802285 in words is "sixty-five million, eight hundred two thousand, two hundred eighty-five".