65396501 has 8 divisors (see below), whose sum is σ = 71115480. Its totient is φ = 59885568.

The previous prime is 65396497. The next prime is 65396503. The reversal of 65396501 is 10569356.

It can be written as a sum of positive squares in 4 ways, for example, as 26770276 + 38626225 = 5174^2 + 6215^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 65396501 - 2² = 65396497 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65396503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51356 + ... + 52613.

It is an arithmetic number, because the mean of its divisors is an integer number (8889435).

Almost surely, 2^65396501 is an apocalyptic number.

It is an amenable number.

65396501 is a deficient number, since it is larger than the sum of its proper divisors (5718979).

65396501 is a wasteful number, since it uses less digits than its factorization.

65396501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104023.

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 65396501 is about 8086.8103106231. The cubic root of 65396501 is about 402.8884687474. Note that the first 3 decimals are identical.

The spelling of 65396501 in words is "sixty-five million, three hundred ninety-six thousand, five hundred one".