650240671 has 2 divisors, whose sum is σ = 650240672. Its totient is φ = 650240670.

The previous prime is 650240611. The next prime is 650240677. The reversal of 650240671 is 176042056.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 650240671 - 2¹⁷ = 650109599 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650240677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325120335 + 325120336.

It is an arithmetic number, because the mean of its divisors is an integer number (325120336).

Almost surely, 2^650240671 is an apocalyptic number.

650240671 is a deficient number, since it is larger than the sum of its proper divisors (1).

650240671 is an equidigital number, since it uses as much as digits as its factorization.

650240671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 650240671 is about 25499.8170777753. The cubic root of 650240671 is about 866.3460042672.

The spelling of 650240671 in words is "six hundred fifty million, two hundred forty thousand, six hundred seventy-one".