65500601 has 2 divisors, whose sum is σ = 65500602. Its totient is φ = 65500600.

The previous prime is 65500583. The next prime is 65500639. The reversal of 65500601 is 10600556.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57229225 + 8271376 = 7565^2 + 2876^2 .

It is a cyclic number.

It is not a de Polignac number, because 65500601 - 2⁶ = 65500537 is a prime.

It is a super-2 number, since 2×65500601² = 8580657462722402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65500661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32750300 + 32750301.

It is an arithmetic number, because the mean of its divisors is an integer number (32750301).

Almost surely, 2^65500601 is an apocalyptic number.

It is an amenable number.

65500601 is a deficient number, since it is larger than the sum of its proper divisors (1).

65500601 is an equidigital number, since it uses as much as digits as its factorization.

65500601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 65500601 is about 8093.2441579382. The cubic root of 65500601 is about 403.1021318358.

The spelling of 65500601 in words is "sixty-five million, five hundred thousand, six hundred one".