650309526131 has 2 divisors, whose sum is σ = 650309526132. Its totient is φ = 650309526130.

The previous prime is 650309526109. The next prime is 650309526133. The reversal of 650309526131 is 131625903056.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 650309526131 - 2¹⁸ = 650309263987 is a prime.

It is a super-2 number, since 2×650309526131² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 650309526133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (650309526133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325154763065 + 325154763066.

It is an arithmetic number, because the mean of its divisors is an integer number (325154763066).

Almost surely, 2^650309526131 is an apocalyptic number.

650309526131 is a deficient number, since it is larger than the sum of its proper divisors (1).

650309526131 is an equidigital number, since it uses as much as digits as its factorization.

650309526131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145800, while the sum is 41.

The spelling of 650309526131 in words is "six hundred fifty billion, three hundred nine million, five hundred twenty-six thousand, one hundred thirty-one".