65015242 has 8 divisors (see below), whose sum is σ = 103259556. Its totient is φ = 30595392.

The previous prime is 65015239. The next prime is 65015243. The reversal of 65015242 is 24251056.

It can be written as a sum of positive squares in 2 ways, for example, as 61921161 + 3094081 = 7869^2 + 1759^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (65015243) 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, 956073 + ... + 956140.

Almost surely, 2^65015242 is an apocalyptic number.

65015242 is a deficient number, since it is larger than the sum of its proper divisors (38244314).

65015242 is a wasteful number, since it uses less digits than its factorization.

65015242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912232.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 65015242 is about 8063.2029616028. The cubic root of 65015242 is about 402.1040010448.

Adding to 65015242 its reverse (24251056), we get a palindrome (89266298).

The spelling of 65015242 in words is "sixty-five million, fifteen thousand, two hundred forty-two".