65828501 has 2 divisors, whose sum is σ = 65828502. Its totient is φ = 65828500.

The previous prime is 65828473. The next prime is 65828509. The reversal of 65828501 is 10582856.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60855601 + 4972900 = 7801^2 + 2230^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65828501 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65828509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32914250 + 32914251.

It is an arithmetic number, because the mean of its divisors is an integer number (32914251).

Almost surely, 2^65828501 is an apocalyptic number.

It is an amenable number.

65828501 is a deficient number, since it is larger than the sum of its proper divisors (1).

65828501 is an equidigital number, since it uses as much as digits as its factorization.

65828501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 65828501 is about 8113.4765051734. The cubic root of 65828501 is about 403.7736637812.

The spelling of 65828501 in words is "sixty-five million, eight hundred twenty-eight thousand, five hundred one".