65606542 has 4 divisors (see below), whose sum is σ = 98409816. Its totient is φ = 32803270.

The previous prime is 65606539. The next prime is 65606551. The reversal of 65606542 is 24560656.

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

It is a junction number, because it is equal to n+sod(n) for n = 65606498 and 65606507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16401634 + ... + 16401637.

It is an arithmetic number, because the mean of its divisors is an integer number (24602454).

Almost surely, 2^65606542 is an apocalyptic number.

65606542 is a deficient number, since it is larger than the sum of its proper divisors (32803274).

65606542 is a wasteful number, since it uses less digits than its factorization.

65606542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32803273.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 65606542 is about 8099.7865403972. The cubic root of 65606542 is about 403.3193412414.

It can be divided in two parts, 6560654 and 2, that added together give a palindrome (6560656).

The spelling of 65606542 in words is "sixty-five million, six hundred six thousand, five hundred forty-two".