65197425 has 12 divisors (see below), whose sum is σ = 107793200. Its totient is φ = 34771920.

The previous prime is 65197411. The next prime is 65197427. The reversal of 65197425 is 52479156.

It is not a de Polignac number, because 65197425 - 2⁴ = 65197409 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65197427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 434575 + ... + 434724.

Almost surely, 2^65197425 is an apocalyptic number.

It is an amenable number.

65197425 is a deficient number, since it is larger than the sum of its proper divisors (42595775).

65197425 is a wasteful number, since it uses less digits than its factorization.

65197425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869312 (or 869307 counting only the distinct ones).

The product of its digits is 75600, while the sum is 39.

The square root of 65197425 is about 8074.4922440981. The cubic root of 65197425 is about 402.4792371271.

The spelling of 65197425 in words is "sixty-five million, one hundred ninety-seven thousand, four hundred twenty-five".