65140411 has 4 divisors (see below), whose sum is σ = 74446192. Its totient is φ = 55834632.

The previous prime is 65140403. The next prime is 65140433. The reversal of 65140411 is 11404156.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 65140411 - 2³ = 65140403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65140451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4652880 + ... + 4652893.

It is an arithmetic number, because the mean of its divisors is an integer number (18611548).

Almost surely, 2^65140411 is an apocalyptic number.

65140411 is a deficient number, since it is larger than the sum of its proper divisors (9305781).

65140411 is an equidigital number, since it uses as much as digits as its factorization.

65140411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9305780.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 65140411 is about 8070.9609712846. The cubic root of 65140411 is about 402.3618825773.

Adding to 65140411 its reverse (11404156), we get a palindrome (76544567).

The spelling of 65140411 in words is "sixty-five million, one hundred forty thousand, four hundred eleven".