650116501 has 2 divisors, whose sum is σ = 650116502. Its totient is φ = 650116500.

The previous prime is 650116487. The next prime is 650116547. The reversal of 650116501 is 105611056.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 647651601 + 2464900 = 25449^2 + 1570^2 .

It is a cyclic number.

It is not a de Polignac number, because 650116501 - 2¹¹ = 650114453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650116561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325058250 + 325058251.

It is an arithmetic number, because the mean of its divisors is an integer number (325058251).

Almost surely, 2^650116501 is an apocalyptic number.

It is an amenable number.

650116501 is a deficient number, since it is larger than the sum of its proper divisors (1).

650116501 is an equidigital number, since it uses as much as digits as its factorization.

650116501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 650116501 is about 25497.3822381828. The cubic root of 650116501 is about 866.2908549272.

Adding to 650116501 its reverse (105611056), we get a palindrome (755727557).

Subtracting from 650116501 its reverse (105611056), we obtain a palindrome (544505445).

The spelling of 650116501 in words is "six hundred fifty million, one hundred sixteen thousand, five hundred one".