65316397 has 16 divisors (see below), whose sum is σ = 70686000. Its totient is φ = 60134400.

The previous prime is 65316371. The next prime is 65316413. The reversal of 65316397 is 79361356.

It can be written as a sum of positive squares in 8 ways, for example, as 24790441 + 40525956 = 4979^2 + 6366^2 .

It is a cyclic number.

It is not a de Polignac number, because 65316397 - 2²³ = 56927789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65316337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186979 + ... + 187327.

It is an arithmetic number, because the mean of its divisors is an integer number (4417875).

Almost surely, 2^65316397 is an apocalyptic number.

It is an amenable number.

65316397 is a deficient number, since it is larger than the sum of its proper divisors (5369603).

65316397 is a wasteful number, since it uses less digits than its factorization.

65316397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576.

The product of its digits is 102060, while the sum is 40.

The square root of 65316397 is about 8081.8560368272. The cubic root of 65316397 is about 402.7239025325.

The spelling of 65316397 in words is "sixty-five million, three hundred sixteen thousand, three hundred ninety-seven".