650158913 has 2 divisors, whose sum is σ = 650158914. Its totient is φ = 650158912.

The previous prime is 650158909. The next prime is 650158991. The reversal of 650158913 is 319851056.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 645566464 + 4592449 = 25408^2 + 2143^2 .

It is a cyclic number.

It is not a de Polignac number, because 650158913 - 2² = 650158909 is a prime.

It is a super-2 number, since 2×650158913² = 845413224306683138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (650158213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325079456 + 325079457.

It is an arithmetic number, because the mean of its divisors is an integer number (325079457).

Almost surely, 2^650158913 is an apocalyptic number.

It is an amenable number.

650158913 is a deficient number, since it is larger than the sum of its proper divisors (1).

650158913 is an equidigital number, since it uses as much as digits as its factorization.

650158913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 650158913 is about 25498.2139178414. The cubic root of 650158913 is about 866.3096927452.

The spelling of 650158913 in words is "six hundred fifty million, one hundred fifty-eight thousand, nine hundred thirteen".