65512542 has 8 divisors (see below), whose sum is σ = 131025096. Its totient is φ = 21837512.

The previous prime is 65512493. The next prime is 65512553. The reversal of 65512542 is 24521556.

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

65512542 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5459373 + ... + 5459384.

It is an arithmetic number, because the mean of its divisors is an integer number (16378137).

Almost surely, 2^65512542 is an apocalyptic number.

65512542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

65512542 is a wasteful number, since it uses less digits than its factorization.

65512542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10918762.

The product of its digits is 12000, while the sum is 30.

The square root of 65512542 is about 8093.9818383784. The cubic root of 65512542 is about 403.1266260135.

The spelling of 65512542 in words is "sixty-five million, five hundred twelve thousand, five hundred forty-two".