65415541 has 16 divisors (see below), whose sum is σ = 71608320. Its totient is φ = 59512320.

The previous prime is 65415529. The next prime is 65415547. The reversal of 65415541 is 14551456.

It is not a de Polignac number, because 65415541 - 2⁵ = 65415509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65415547) 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, 88150 + ... + 88888.

It is an arithmetic number, because the mean of its divisors is an integer number (4475520).

Almost surely, 2^65415541 is an apocalyptic number.

It is an amenable number.

65415541 is a deficient number, since it is larger than the sum of its proper divisors (6192779).

65415541 is a wasteful number, since it uses less digits than its factorization.

65415541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924.

The product of its digits is 12000, while the sum is 31.

The square root of 65415541 is about 8087.9874505343. The cubic root of 65415541 is about 402.9275648865.

Adding to 65415541 its reverse (14551456), we get a palindrome (79966997).

It can be divided in two parts, 65415 and 541, that added together give a palindrome (65956).

The spelling of 65415541 in words is "sixty-five million, four hundred fifteen thousand, five hundred forty-one".