65015442 has 24 divisors (see below), whose sum is σ = 141049116. Its totient is φ = 21643776.

The previous prime is 65015413. The next prime is 65015507. The reversal of 65015442 is 24451056.

65015442 is a `hidden beast` number, since 650 + 1 + 5 + 4 + 4 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 64979721 + 35721 = 8061^2 + 189^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15738 + ... + 19434.

Almost surely, 2^65015442 is an apocalyptic number.

65015442 is an abundant number, since it is smaller than the sum of its proper divisors (76033674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65015442 is a wasteful number, since it uses less digits than its factorization.

65015442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4682 (or 4679 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 65015442 is about 8063.2153636127. The cubic root of 65015442 is about 402.1044133620.

Adding to 65015442 its reverse (24451056), we get a palindrome (89466498).

The spelling of 65015442 in words is "sixty-five million, fifteen thousand, four hundred forty-two".