65652197 has 8 divisors (see below), whose sum is σ = 70828800. Its totient is φ = 60493680.

The previous prime is 65652187. The next prime is 65652221. The reversal of 65652197 is 79125656.

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

It is not a de Polignac number, because 65652197 - 2⁶ = 65652133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65652127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3572 + ... + 12002.

It is an arithmetic number, because the mean of its divisors is an integer number (8853600).

Almost surely, 2^65652197 is an apocalyptic number.

It is an amenable number.

65652197 is a deficient number, since it is larger than the sum of its proper divisors (5176603).

65652197 is a wasteful number, since it uses less digits than its factorization.

65652197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9043.

The product of its digits is 113400, while the sum is 41.

The square root of 65652197 is about 8102.6043344100. The cubic root of 65652197 is about 403.4128749772.

The spelling of 65652197 in words is "sixty-five million, six hundred fifty-two thousand, one hundred ninety-seven".