65035881 has 48 divisors (see below), whose sum is σ = 102735360. Its totient is φ = 39536640.

The previous prime is 65035853. The next prime is 65035889. The reversal of 65035881 is 18853056.

It is not a de Polignac number, because 65035881 - 2⁷ = 65035753 is a prime.

It is a super-2 number, since 2×65035881² = 8459331634892322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65035889) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 670425 + ... + 670521.

It is an arithmetic number, because the mean of its divisors is an integer number (2140320).

Almost surely, 2^65035881 is an apocalyptic number.

It is an amenable number.

65035881 is a deficient number, since it is larger than the sum of its proper divisors (37699479).

65035881 is a wasteful number, since it uses less digits than its factorization.

65035881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 65035881 is about 8064.4826864468. The cubic root of 65035881 is about 402.1465456656.

The spelling of 65035881 in words is "sixty-five million, thirty-five thousand, eight hundred eighty-one".