650128151 has 2 divisors, whose sum is σ = 650128152. Its totient is φ = 650128150.

The previous prime is 650128109. The next prime is 650128153. The reversal of 650128151 is 151821056.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-650128151 is a prime.

It is a super-2 number, since 2×650128151² = 845333225445357602, which contains 22 as substring.

Together with 650128153, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650128153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325064075 + 325064076.

It is an arithmetic number, because the mean of its divisors is an integer number (325064076).

Almost surely, 2^650128151 is an apocalyptic number.

650128151 is a deficient number, since it is larger than the sum of its proper divisors (1).

650128151 is an equidigital number, since it uses as much as digits as its factorization.

650128151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 29.

The square root of 650128151 is about 25497.6106919845. The cubic root of 650128151 is about 866.2960295014.

The spelling of 650128151 in words is "six hundred fifty million, one hundred twenty-eight thousand, one hundred fifty-one".