65471397 has 8 divisors (see below), whose sum is σ = 91889760. Its totient is φ = 41350320.

The previous prime is 65471387. The next prime is 65471407. The reversal of 65471397 is 79317456.

It is an interprime number because it is at equal distance from previous prime (65471387) and next prime (65471407).

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

It is not a de Polignac number, because 65471397 - 2⁴ = 65471381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65471347) 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, 574254 + ... + 574367.

It is an arithmetic number, because the mean of its divisors is an integer number (11486220).

Almost surely, 2^65471397 is an apocalyptic number.

It is an amenable number.

65471397 is a deficient number, since it is larger than the sum of its proper divisors (26418363).

65471397 is a wasteful number, since it uses less digits than its factorization.

65471397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148643.

The product of its digits is 158760, while the sum is 42.

The square root of 65471397 is about 8091.4397359184. The cubic root of 65471397 is about 403.0422140921.

The spelling of 65471397 in words is "sixty-five million, four hundred seventy-one thousand, three hundred ninety-seven".