65043542 has 4 divisors (see below), whose sum is σ = 97565316. Its totient is φ = 32521770.

The previous prime is 65043541. The next prime is 65043569. The reversal of 65043542 is 24534056.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65043541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16260884 + ... + 16260887.

It is an arithmetic number, because the mean of its divisors is an integer number (24391329).

Almost surely, 2^65043542 is an apocalyptic number.

65043542 is a deficient number, since it is larger than the sum of its proper divisors (32521774).

65043542 is a wasteful number, since it uses less digits than its factorization.

65043542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32521773.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 65043542 is about 8064.9576564294. The cubic root of 65043542 is about 402.1623355326.

Adding to 65043542 its reverse (24534056), we get a palindrome (89577598).

The spelling of 65043542 in words is "sixty-five million, forty-three thousand, five hundred forty-two".