65081283 has 16 divisors (see below), whose sum is σ = 90769920. Its totient is φ = 41477832.

The previous prime is 65081281. The next prime is 65081353. The reversal of 65081283 is 38218056.

It is a happy number.

It is not a de Polignac number, because 65081283 - 2¹ = 65081281 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65081281) 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, 35610 + ... + 37392.

It is an arithmetic number, because the mean of its divisors is an integer number (5673120).

Almost surely, 2^65081283 is an apocalyptic number.

65081283 is a deficient number, since it is larger than the sum of its proper divisors (25688637).

65081283 is an equidigital number, since it uses as much as digits as its factorization.

65081283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855 (or 1809 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 65081283 is about 8067.2971310099. The cubic root of 65081283 is about 402.2401043294.

The spelling of 65081283 in words is "sixty-five million, eighty-one thousand, two hundred eighty-three".