65652415 has 4 divisors (see below), whose sum is σ = 78782904. Its totient is φ = 52521928.

The previous prime is 65652407. The next prime is 65652421. The reversal of 65652415 is 51425656.

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

It is a cyclic number.

It is not a de Polignac number, because 65652415 - 2³ = 65652407 is a prime.

It is a Duffinian 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, 6565237 + ... + 6565246.

It is an arithmetic number, because the mean of its divisors is an integer number (19695726).

Almost surely, 2^65652415 is an apocalyptic number.

65652415 is a deficient number, since it is larger than the sum of its proper divisors (13130489).

65652415 is a wasteful number, since it uses less digits than its factorization.

65652415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13130488.

The product of its digits is 36000, while the sum is 34.

The square root of 65652415 is about 8102.6177868637. The cubic root of 65652415 is about 403.4133214914.

The spelling of 65652415 in words is "sixty-five million, six hundred fifty-two thousand, four hundred fifteen".