65631282 has 32 divisors (see below), whose sum is σ = 144184320. Its totient is φ = 19823760.

The previous prime is 65631281. The next prime is 65631299. The reversal of 65631282 is 28213656.

It is not an unprimeable number, because it can be changed into a prime (65631281) 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, 9894 + ... + 15137.

It is an arithmetic number, because the mean of its divisors is an integer number (4505760).

Almost surely, 2^65631282 is an apocalyptic number.

65631282 is an abundant number, since it is smaller than the sum of its proper divisors (78553038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65631282 is a wasteful number, since it uses less digits than its factorization.

65631282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25078.

The product of its digits is 17280, while the sum is 33.

The square root of 65631282 is about 8101.3135971890. The cubic root of 65631282 is about 403.3700316463.

The spelling of 65631282 in words is "sixty-five million, six hundred thirty-one thousand, two hundred eighty-two".