650226541 has 2 divisors, whose sum is σ = 650226542. Its totient is φ = 650226540.

The previous prime is 650226539. The next prime is 650226547. The reversal of 650226541 is 145622056.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 333208516 + 317018025 = 18254^2 + 17805^2 .

It is a cyclic number.

It is not a de Polignac number, because 650226541 - 2¹ = 650226539 is a prime.

Together with 650226539, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650226547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325113270 + 325113271.

It is an arithmetic number, because the mean of its divisors is an integer number (325113271).

Almost surely, 2^650226541 is an apocalyptic number.

It is an amenable number.

650226541 is a deficient number, since it is larger than the sum of its proper divisors (1).

650226541 is an equidigital number, since it uses as much as digits as its factorization.

650226541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 650226541 is about 25499.5400154591. The cubic root of 650226541 is about 866.3397288689.

Adding to 650226541 its reverse (145622056), we get a palindrome (795848597).

The spelling of 650226541 in words is "six hundred fifty million, two hundred twenty-six thousand, five hundred forty-one".