65515006 has 4 divisors (see below), whose sum is σ = 98272512. Its totient is φ = 32757502.

The previous prime is 65515003. The next prime is 65515033. The reversal of 65515006 is 60051556.

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

It is a super-2 number, since 2×65515006² = 8584432022360072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65515003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16378750 + ... + 16378753.

It is an arithmetic number, because the mean of its divisors is an integer number (24568128).

Almost surely, 2^65515006 is an apocalyptic number.

65515006 is a deficient number, since it is larger than the sum of its proper divisors (32757506).

65515006 is a wasteful number, since it uses less digits than its factorization.

65515006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32757505.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 65515006 is about 8094.1340488035. The cubic root of 65515006 is about 403.1316799646.

The spelling of 65515006 in words is "sixty-five million, five hundred fifteen thousand, six".