65197353 has 8 divisors (see below), whose sum is σ = 93616768. Its totient is φ = 40121424.

The previous prime is 65197343. The next prime is 65197381. The reversal of 65197353 is 35379156.

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

It is not a de Polignac number, because 65197353 - 2⁴ = 65197337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 1671727 = 65197353 / (6 + 5 + 1 + 9 + 7 + 3 + 5 + 3).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65197343) 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, 835825 + ... + 835902.

It is an arithmetic number, because the mean of its divisors is an integer number (11702096).

Almost surely, 2^65197353 is an apocalyptic number.

It is an amenable number.

65197353 is a deficient number, since it is larger than the sum of its proper divisors (28419415).

65197353 is a wasteful number, since it uses less digits than its factorization.

65197353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671743.

The product of its digits is 85050, while the sum is 39.

The square root of 65197353 is about 8074.4877856122. The cubic root of 65197353 is about 402.4790889693.

The spelling of 65197353 in words is "sixty-five million, one hundred ninety-seven thousand, three hundred fifty-three".