65340242 has 12 divisors (see below), whose sum is σ = 107730798. Its totient is φ = 29700000.

The previous prime is 65340241. The next prime is 65340271. The reversal of 65340242 is 24204356.

It can be written as a sum of positive squares in only one way, i.e., 55785961 + 9554281 = 7469^2 + 3091^2 .

It is not an unprimeable number, because it can be changed into a prime (65340241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134759 + ... + 135242.

Almost surely, 2^65340242 is an apocalyptic number.

65340242 is a deficient number, since it is larger than the sum of its proper divisors (42390556).

65340242 is a wasteful number, since it uses less digits than its factorization.

65340242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270025 (or 270014 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 65340242 is about 8083.3311202746. The cubic root of 65340242 is about 402.7729039245.

Adding to 65340242 its reverse (24204356), we get a palindrome (89544598).

The spelling of 65340242 in words is "sixty-five million, three hundred forty thousand, two hundred forty-two".