65248071 has 32 divisors (see below), whose sum is σ = 107120640. Its totient is φ = 34491744.

The previous prime is 65248063. The next prime is 65248093. The reversal of 65248071 is 17084256.

It is not a de Polignac number, because 65248071 - 2³ = 65248063 is a prime.

It is a super-3 number, since 3×65248071³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65248021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15256 + ... + 19058.

It is an arithmetic number, because the mean of its divisors is an integer number (3347520).

Almost surely, 2^65248071 is an apocalyptic number.

65248071 is a deficient number, since it is larger than the sum of its proper divisors (41872569).

65248071 is a wasteful number, since it uses less digits than its factorization.

65248071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3875.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 65248071 is about 8077.6278077168. The cubic root of 65248071 is about 402.5834267612.

The spelling of 65248071 in words is "sixty-five million, two hundred forty-eight thousand, seventy-one".