65455397 has 8 divisors (see below), whose sum is σ = 75860352. Its totient is φ = 55314000.

The previous prime is 65455343. The next prime is 65455427. The reversal of 65455397 is 79355456.

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

It is not a de Polignac number, because 65455397 - 2⁶ = 65455333 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 (65455337) 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, 65354 + ... + 66347.

It is an arithmetic number, because the mean of its divisors is an integer number (9482544).

Almost surely, 2^65455397 is an apocalyptic number.

It is an amenable number.

65455397 is a deficient number, since it is larger than the sum of its proper divisors (10404955).

65455397 is a wasteful number, since it uses less digits than its factorization.

65455397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131779.

The product of its digits is 567000, while the sum is 44.

The square root of 65455397 is about 8090.4509763053. The cubic root of 65455397 is about 403.0093793933.

The spelling of 65455397 in words is "sixty-five million, four hundred fifty-five thousand, three hundred ninety-seven".